CVE-2026-2781
Integer overflow in the Libraries component in NSS
CVE-2026-2781 is fixed in 449 products on 3 platforms, first by Firefox Developer Edition (ur) 148.0, released February 6, 2026. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 3 platforms
CVSS
9.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0043
37th percentile
Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Firefox Developer Edition (ach) | 148.0 | Firefox Developer Edition (ach) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (af) | 148.0 | Firefox Developer Edition (af) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (an) | 148.0 | Firefox Developer Edition (an) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ar) | 148.0 | Firefox Developer Edition (ar) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ast) | 148.0 | Firefox Developer Edition (ast) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (az) | 148.0 | Firefox Developer Edition (az) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (be) | 148.0 | Firefox Developer Edition (be) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (bg) | 148.0 | Firefox Developer Edition (bg) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (bn) | 148.0 | Firefox Developer Edition (bn) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (br) | 148.0 | Firefox Developer Edition (br) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (bs) | 148.0 | Firefox Developer Edition (bs) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ca) | 148.0 | Firefox Developer Edition (ca) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ca-valencia) | 148.0 | Firefox Developer Edition (ca-valencia) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (cak) | 148.0 | Firefox Developer Edition (cak) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (cs) | 148.0 | Firefox Developer Edition (cs) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (cy) | 148.0 | Firefox Developer Edition (cy) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (da) | 148.0 | Firefox Developer Edition (da) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (de) | 148.0 | Firefox Developer Edition (de) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (dsb) | 148.0 | Firefox Developer Edition (dsb) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (el) | 148.0 | Firefox Developer Edition (el) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (en-CA) | 148.0 | Firefox Developer Edition (en-CA) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (en-GB) | 148.0 | Firefox Developer Edition (en-GB) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (en-US) | 148.0 | Firefox Developer Edition (en-US) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (eo) | 148.0 | Firefox Developer Edition (eo) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (es-AR) | 148.0 | Firefox Developer Edition (es-AR) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (es-CL) | 148.0 | Firefox Developer Edition (es-CL) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (es-ES) | 148.0 | Firefox Developer Edition (es-ES) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (es-MX) | 148.0 | Firefox Developer Edition (es-MX) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (et) | 148.0 | Firefox Developer Edition (et) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (eu) | 148.0 | Firefox Developer Edition (eu) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (fa) | 148.0 | Firefox Developer Edition (fa) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ff) | 148.0 | Firefox Developer Edition (ff) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (fi) | 148.0 | Firefox Developer Edition (fi) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (fr) | 148.0 | Firefox Developer Edition (fr) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (fur) | 148.0 | Firefox Developer Edition (fur) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (fy-NL) | 148.0 | Firefox Developer Edition (fy-NL) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ga-IE) | 148.0 | Firefox Developer Edition (ga-IE) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (gd) | 148.0 | Firefox Developer Edition (gd) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (gl) | 148.0 | Firefox Developer Edition (gl) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (gn) | 148.0 | Firefox Developer Edition (gn) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (gu-IN) | 148.0 | Firefox Developer Edition (gu-IN) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (he) | 148.0 | Firefox Developer Edition (he) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (hi-IN) | 148.0 | Firefox Developer Edition (hi-IN) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (hr) | 148.0 | Firefox Developer Edition (hr) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (hsb) | 148.0 | Firefox Developer Edition (hsb) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (hu) | 148.0 | Firefox Developer Edition (hu) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (hy-AM) | 148.0 | Firefox Developer Edition (hy-AM) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ia) | 148.0 | Firefox Developer Edition (ia) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (id) | 148.0 | Firefox Developer Edition (id) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (is) | 148.0 | Firefox Developer Edition (is) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (it) | 148.0 | Firefox Developer Edition (it) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ja) | 148.0 | Firefox Developer Edition (ja) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ka) | 148.0 | Firefox Developer Edition (ka) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (kab) | 148.0 | Firefox Developer Edition (kab) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (kk) | 148.0 | Firefox Developer Edition (kk) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (km) | 148.0 | Firefox Developer Edition (km) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (kn) | 148.0 | Firefox Developer Edition (kn) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ko) | 148.0 | Firefox Developer Edition (ko) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (lij) | 148.0 | Firefox Developer Edition (lij) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (lt) | 148.0 | Firefox Developer Edition (lt) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (lv) | 148.0 | Firefox Developer Edition (lv) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (mk) | 148.0 | Firefox Developer Edition (mk) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (mr) | 148.0 | Firefox Developer Edition (mr) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ms) | 148.0 | Firefox Developer Edition (ms) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (my) | 148.0 | Firefox Developer Edition (my) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (nb-NO) | 148.0 | Firefox Developer Edition (nb-NO) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ne-NP) | 148.0 | Firefox Developer Edition (ne-NP) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (nl) | 148.0 | Firefox Developer Edition (nl) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (nn-NO) | 148.0 | Firefox Developer Edition (nn-NO) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (oc) | 148.0 | Firefox Developer Edition (oc) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (pa-IN) | 148.0 | Firefox Developer Edition (pa-IN) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (pl) | 148.0 | Firefox Developer Edition (pl) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (pt-BR) | 148.0 | Firefox Developer Edition (pt-BR) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (pt-PT) | 148.0 | Firefox Developer Edition (pt-PT) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (rm) | 148.0 | Firefox Developer Edition (rm) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ro) | 148.0 | Firefox Developer Edition (ro) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ru) | 148.0 | Firefox Developer Edition (ru) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (sc) | 148.0 | Firefox Developer Edition (sc) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (sco) | 148.0 | Firefox Developer Edition (sco) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (si) | 148.0 | Firefox Developer Edition (si) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (sk) | 148.0 | Firefox Developer Edition (sk) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (sl) | 148.0 | Firefox Developer Edition (sl) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (son) | 148.0 | Firefox Developer Edition (son) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (sq) | 148.0 | Firefox Developer Edition (sq) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (sr) | 148.0 | Firefox Developer Edition (sr) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (sv-SE) | 148.0 | Firefox Developer Edition (sv-SE) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (szl) | 148.0 | Firefox Developer Edition (szl) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ta) | 148.0 | Firefox Developer Edition (ta) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (te) | 148.0 | Firefox Developer Edition (te) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (tg) | 148.0 | Firefox Developer Edition (tg) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (th) | 148.0 | Firefox Developer Edition (th) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (tl) | 148.0 | Firefox Developer Edition (tl) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (tr) | 148.0 | Firefox Developer Edition (tr) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (trs) | 148.0 | Firefox Developer Edition (trs) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (uk) | 148.0 | Firefox Developer Edition (uk) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (ur) | 148.0 | Firefox Developer Edition (ur) 148.0 | Feb 6, 2026 |
| Firefox Developer Edition (uz) | 148.0 | Firefox Developer Edition (uz) 148.0 | Feb 9, 2026 |
| Firefox Developer Edition (vi) | 148.0 | Firefox Developer Edition (vi) 148.0 | Feb 6, 2026 |
| Firefox Developer Edition (xh) | 148.0 | Firefox Developer Edition (xh) 148.0 | Feb 6, 2026 |
| Firefox Developer Edition (zh-CN) | 148.0 | Firefox Developer Edition (zh-CN) 148.0 | Feb 6, 2026 |
| Firefox Developer Edition (zh-TW) | 148.0 | Firefox Developer Edition (zh-TW) 148.0 | Feb 9, 2026 |
| Mozilla Firefox (ach) | 148.0 | Mozilla Firefox (ach) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (af) | 148.0 | Mozilla Firefox (af) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (an) | 148.0 | Mozilla Firefox (an) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ar) | 148.0 | Mozilla Firefox (ar) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ast) | 148.0 | Mozilla Firefox (ast) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (az) | 148.0 | Mozilla Firefox (az) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (be) | 148.0 | Mozilla Firefox (be) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (bg) | 148.0 | Mozilla Firefox (bg) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (bn) | 148.0 | Mozilla Firefox (bn) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (br) | 148.0 | Mozilla Firefox (br) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (bs) | 148.0 | Mozilla Firefox (bs) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ca) | 148.0 | Mozilla Firefox (ca) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ca-valencia) | 148.0 | Mozilla Firefox (ca-valencia) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (cak) | 148.0 | Mozilla Firefox (cak) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (cs) | 148.0 | Mozilla Firefox (cs) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (cy) | 148.0 | Mozilla Firefox (cy) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (da) | 148.0 | Mozilla Firefox (da) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (de) | 148.0 | Mozilla Firefox (de) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (dsb) | 148.0 | Mozilla Firefox (dsb) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (el) | 148.0 | Mozilla Firefox (el) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (en-CA) | 148.0 | Mozilla Firefox (en-CA) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (en-GB) | 148.0 | Mozilla Firefox (en-GB) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (en-US) | 148.0 | Mozilla Firefox (en-US) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (eo) | 148.0 | Mozilla Firefox (eo) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (es-AR) | 148.0 | Mozilla Firefox (es-AR) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (es-CL) | 148.0 | Mozilla Firefox (es-CL) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (es-ES) | 148.0 | Mozilla Firefox (es-ES) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (es-MX) | 148.0 | Mozilla Firefox (es-MX) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (et) | 148.0 | Mozilla Firefox (et) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (eu) | 148.0 | Mozilla Firefox (eu) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (fa) | 148.0 | Mozilla Firefox (fa) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ff) | 148.0 | Mozilla Firefox (ff) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (fi) | 148.0 | Mozilla Firefox (fi) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (fr) | 148.0 | Mozilla Firefox (fr) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (fur) | 148.0 | Mozilla Firefox (fur) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (fy-NL) | 148.0 | Mozilla Firefox (fy-NL) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ga-IE) | 148.0 | Mozilla Firefox (ga-IE) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (gd) | 148.0 | Mozilla Firefox (gd) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (gl) | 148.0 | Mozilla Firefox (gl) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (gn) | 148.0 | Mozilla Firefox (gn) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (gu-IN) | 148.0 | Mozilla Firefox (gu-IN) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (he) | 148.0 | Mozilla Firefox (he) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (hi-IN) | 148.0 | Mozilla Firefox (hi-IN) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (hr) | 148.0 | Mozilla Firefox (hr) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (hsb) | 148.0 | Mozilla Firefox (hsb) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (hu) | 148.0 | Mozilla Firefox (hu) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (hy-AM) | 148.0 | Mozilla Firefox (hy-AM) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ia) | 148.0 | Mozilla Firefox (ia) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (id) | 148.0 | Mozilla Firefox (id) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (is) | 148.0 | Mozilla Firefox (is) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (it) | 148.0 | Mozilla Firefox (it) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ja) | 148.0 | Mozilla Firefox (ja) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ka) | 148.0 | Mozilla Firefox (ka) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (kab) | 148.0 | Mozilla Firefox (kab) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (kk) | 148.0 | Mozilla Firefox (kk) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (km) | 148.0 | Mozilla Firefox (km) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (kn) | 148.0 | Mozilla Firefox (kn) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ko) | 148.0 | Mozilla Firefox (ko) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (lij) | 148.0 | Mozilla Firefox (lij) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (lt) | 148.0 | Mozilla Firefox (lt) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (lv) | 148.0 | Mozilla Firefox (lv) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (mk) | 148.0 | Mozilla Firefox (mk) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (mr) | 148.0 | Mozilla Firefox (mr) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ms) | 148.0 | Mozilla Firefox (ms) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (my) | 148.0 | Mozilla Firefox (my) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (nb-NO) | 148.0 | Mozilla Firefox (nb-NO) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ne-NP) | 148.0 | Mozilla Firefox (ne-NP) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (nl) | 148.0 | Mozilla Firefox (nl) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (nn-NO) | 148.0 | Mozilla Firefox (nn-NO) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (oc) | 148.0 | Mozilla Firefox (oc) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (pa-IN) | 148.0 | Mozilla Firefox (pa-IN) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (pl) | 148.0 | Mozilla Firefox (pl) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (pt-BR) | 148.0 | Mozilla Firefox (pt-BR) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (pt-PT) | 148.0 | Mozilla Firefox (pt-PT) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (rm) | 148.0 | Mozilla Firefox (rm) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ro) | 148.0 | Mozilla Firefox (ro) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ru) | 148.0 | Mozilla Firefox (ru) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (sc) | 148.0 | Mozilla Firefox (sc) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (sco) | 148.0 | Mozilla Firefox (sco) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (si) | 148.0 | Mozilla Firefox (si) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (sk) | 148.0 | Mozilla Firefox (sk) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (sl) | 148.0 | Mozilla Firefox (sl) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (son) | 148.0 | Mozilla Firefox (son) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (sq) | 148.0 | Mozilla Firefox (sq) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (sr) | 148.0 | Mozilla Firefox (sr) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (sv-SE) | 148.0 | Mozilla Firefox (sv-SE) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (szl) | 148.0 | Mozilla Firefox (szl) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ta) | 148.0 | Mozilla Firefox (ta) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (te) | 148.0 | Mozilla Firefox (te) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (tg) | 148.0 | Mozilla Firefox (tg) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (th) | 148.0 | Mozilla Firefox (th) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (tl) | 148.0 | Mozilla Firefox (tl) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (tr) | 148.0 | Mozilla Firefox (tr) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (trs) | 148.0 | Mozilla Firefox (trs) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (uk) | 148.0 | Mozilla Firefox (uk) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (ur) | 148.0 | Mozilla Firefox (ur) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (uz) | 148.0 | Mozilla Firefox (uz) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (vi) | 148.0 | Mozilla Firefox (vi) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (xh) | 148.0 | Mozilla Firefox (xh) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (zh-CN) | 148.0 | Mozilla Firefox (zh-CN) 148.0 | Feb 24, 2026 |
| Mozilla Firefox (zh-TW) | 148.0 | Mozilla Firefox (zh-TW) 148.0 | Feb 24, 2026 |
| Mozilla Firefox ESR (ach) | 153.0.0 | Mozilla Firefox ESR (ach) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (af) | 153.0.0 | Mozilla Firefox ESR (af) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (an) | 153.0.0 | Mozilla Firefox ESR (an) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ar) | 153.0.0 | Mozilla Firefox ESR (ar) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ast) | 153.0.0 | Mozilla Firefox ESR (ast) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (az) | 153.0.0 | Mozilla Firefox ESR (az) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (be) | 153.0.0 | Mozilla Firefox ESR (be) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (bg) | 153.0.0 | Mozilla Firefox ESR (bg) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (bn) | 153.0.0 | Mozilla Firefox ESR (bn) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (br) | 153.0.0 | Mozilla Firefox ESR (br) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (bs) | 153.0.0 | Mozilla Firefox ESR (bs) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ca) | 153.0.0 | Mozilla Firefox ESR (ca) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ca-valencia) | 153.0.0 | Mozilla Firefox ESR (ca-valencia) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (cak) | 153.0.0 | Mozilla Firefox ESR (cak) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (cs) | 153.0.0 | Mozilla Firefox ESR (cs) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (cy) | 153.0.0 | Mozilla Firefox ESR (cy) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (da) | 153.0.0 | Mozilla Firefox ESR (da) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (de) | 153.0.0 | Mozilla Firefox ESR (de) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (dsb) | 153.0.0 | Mozilla Firefox ESR (dsb) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (el) | 153.0.0 | Mozilla Firefox ESR (el) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (en-CA) | 153.0.0 | Mozilla Firefox ESR (en-CA) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (en-GB) | 153.0.0 | Mozilla Firefox ESR (en-GB) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (en-US) | 153.0.0 | Mozilla Firefox ESR (en-US) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (eo) | 153.0.0 | Mozilla Firefox ESR (eo) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (es-AR) | 153.0.0 | Mozilla Firefox ESR (es-AR) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (es-CL) | 153.0.0 | Mozilla Firefox ESR (es-CL) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (es-ES) | 153.0.0 | Mozilla Firefox ESR (es-ES) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (es-MX) | 153.0.0 | Mozilla Firefox ESR (es-MX) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (et) | 153.0.0 | Mozilla Firefox ESR (et) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (eu) | 153.0.0 | Mozilla Firefox ESR (eu) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fa) | 153.0.0 | Mozilla Firefox ESR (fa) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ff) | 153.0.0 | Mozilla Firefox ESR (ff) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fi) | 153.0.0 | Mozilla Firefox ESR (fi) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fr) | 153.0.0 | Mozilla Firefox ESR (fr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fur) | 153.0.0 | Mozilla Firefox ESR (fur) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fy-NL) | 153.0.0 | Mozilla Firefox ESR (fy-NL) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ga-IE) | 153.0.0 | Mozilla Firefox ESR (ga-IE) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (gd) | 153.0.0 | Mozilla Firefox ESR (gd) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (gl) | 153.0.0 | Mozilla Firefox ESR (gl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (gn) | 153.0.0 | Mozilla Firefox ESR (gn) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (gu-IN) | 153.0.0 | Mozilla Firefox ESR (gu-IN) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (he) | 153.0.0 | Mozilla Firefox ESR (he) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hi-IN) | 153.0.0 | Mozilla Firefox ESR (hi-IN) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hr) | 153.0.0 | Mozilla Firefox ESR (hr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hsb) | 153.0.0 | Mozilla Firefox ESR (hsb) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hu) | 153.0.0 | Mozilla Firefox ESR (hu) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hy-AM) | 153.0.0 | Mozilla Firefox ESR (hy-AM) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ia) | 153.0.0 | Mozilla Firefox ESR (ia) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (id) | 153.0.0 | Mozilla Firefox ESR (id) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (is) | 153.0.0 | Mozilla Firefox ESR (is) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (it) | 153.0.0 | Mozilla Firefox ESR (it) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ja) | 153.0.0 | Mozilla Firefox ESR (ja) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ka) | 153.0.0 | Mozilla Firefox ESR (ka) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (kab) | 153.0.0 | Mozilla Firefox ESR (kab) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (kk) | 153.0.0 | Mozilla Firefox ESR (kk) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (km) | 153.0.0 | Mozilla Firefox ESR (km) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (kn) | 153.0.0 | Mozilla Firefox ESR (kn) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ko) | 153.0.0 | Mozilla Firefox ESR (ko) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (lij) | 153.0.0 | Mozilla Firefox ESR (lij) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (lt) | 153.0.0 | Mozilla Firefox ESR (lt) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (lv) | 153.0.0 | Mozilla Firefox ESR (lv) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (mk) | 153.0.0 | Mozilla Firefox ESR (mk) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (mr) | 153.0.0 | Mozilla Firefox ESR (mr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ms) | 153.0.0 | Mozilla Firefox ESR (ms) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (my) | 153.0.0 | Mozilla Firefox ESR (my) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (nb-NO) | 153.0.0 | Mozilla Firefox ESR (nb-NO) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ne-NP) | 153.0.0 | Mozilla Firefox ESR (ne-NP) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (nl) | 153.0.0 | Mozilla Firefox ESR (nl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (nn-NO) | 153.0.0 | Mozilla Firefox ESR (nn-NO) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (oc) | 153.0.0 | Mozilla Firefox ESR (oc) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (pa-IN) | 153.0.0 | Mozilla Firefox ESR (pa-IN) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (pl) | 153.0.0 | Mozilla Firefox ESR (pl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (pt-BR) | 153.0.0 | Mozilla Firefox ESR (pt-BR) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (pt-PT) | 153.0.0 | Mozilla Firefox ESR (pt-PT) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (rm) | 153.0.0 | Mozilla Firefox ESR (rm) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ro) | 153.0.0 | Mozilla Firefox ESR (ro) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ru) | 153.0.0 | Mozilla Firefox ESR (ru) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sat) | 153.0.0 | Mozilla Firefox ESR (sat) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sc) | 153.0.0 | Mozilla Firefox ESR (sc) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sco) | 153.0.0 | Mozilla Firefox ESR (sco) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (si) | 153.0.0 | Mozilla Firefox ESR (si) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sk) | 153.0.0 | Mozilla Firefox ESR (sk) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sl) | 153.0.0 | Mozilla Firefox ESR (sl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (son) | 153.0.0 | Mozilla Firefox ESR (son) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sq) | 153.0.0 | Mozilla Firefox ESR (sq) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sr) | 153.0.0 | Mozilla Firefox ESR (sr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sv-SE) | 153.0.0 | Mozilla Firefox ESR (sv-SE) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (szl) | 153.0.0 | Mozilla Firefox ESR (szl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ta) | 153.0.0 | Mozilla Firefox ESR (ta) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (te) | 153.0.0 | Mozilla Firefox ESR (te) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (tg) | 153.0.0 | Mozilla Firefox ESR (tg) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (th) | 153.0.0 | Mozilla Firefox ESR (th) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (tl) | 153.0.0 | Mozilla Firefox ESR (tl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (tr) | 153.0.0 | Mozilla Firefox ESR (tr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (trs) | 153.0.0 | Mozilla Firefox ESR (trs) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (uk) | 153.0.0 | Mozilla Firefox ESR (uk) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ur) | 153.0.0 | Mozilla Firefox ESR (ur) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (uz) | 153.0.0 | Mozilla Firefox ESR (uz) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (vi) | 153.0.0 | Mozilla Firefox ESR (vi) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (xh) | 153.0.0 | Mozilla Firefox ESR (xh) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (zh-CN) | 153.0.0 | Mozilla Firefox ESR (zh-CN) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (zh-TW) | 153.0.0 | Mozilla Firefox ESR (zh-TW) 153.0.0 | Jul 20, 2026 |
| Mozilla Thunderbird (af) | 148.0 | Mozilla Thunderbird (af) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ar) | 148.0 | Mozilla Thunderbird (ar) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ast) | 148.0 | Mozilla Thunderbird (ast) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (be) | 148.0 | Mozilla Thunderbird (be) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (bg) | 148.0 | Mozilla Thunderbird (bg) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (br) | 148.0 | Mozilla Thunderbird (br) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ca) | 148.0 | Mozilla Thunderbird (ca) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (cak) | 148.0 | Mozilla Thunderbird (cak) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (cs) | 148.0 | Mozilla Thunderbird (cs) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (cy) | 148.0 | Mozilla Thunderbird (cy) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (da) | 148.0 | Mozilla Thunderbird (da) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (de) | 148.0 | Mozilla Thunderbird (de) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (dsb) | 148.0 | Mozilla Thunderbird (dsb) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (el) | 148.0 | Mozilla Thunderbird (el) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (en-CA) | 148.0 | Mozilla Thunderbird (en-CA) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (en-GB) | 148.0 | Mozilla Thunderbird (en-GB) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (en-US) | 148.0 | Mozilla Thunderbird (en-US) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (es-AR) | 148.0 | Mozilla Thunderbird (es-AR) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (es-ES) | 148.0 | Mozilla Thunderbird (es-ES) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (es-MX) | 148.0 | Mozilla Thunderbird (es-MX) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (et) | 148.0 | Mozilla Thunderbird (et) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (eu) | 148.0 | Mozilla Thunderbird (eu) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (fi) | 148.0 | Mozilla Thunderbird (fi) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (fr) | 148.0 | Mozilla Thunderbird (fr) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (fy-NL) | 148.0 | Mozilla Thunderbird (fy-NL) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ga-IE) | 148.0 | Mozilla Thunderbird (ga-IE) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (gd) | 148.0 | Mozilla Thunderbird (gd) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (gl) | 148.0 | Mozilla Thunderbird (gl) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (he) | 148.0 | Mozilla Thunderbird (he) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (hr) | 148.0 | Mozilla Thunderbird (hr) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (hsb) | 148.0 | Mozilla Thunderbird (hsb) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (hu) | 148.0 | Mozilla Thunderbird (hu) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (hy-AM) | 148.0 | Mozilla Thunderbird (hy-AM) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (id) | 148.0 | Mozilla Thunderbird (id) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (is) | 148.0 | Mozilla Thunderbird (is) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (it) | 148.0 | Mozilla Thunderbird (it) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ja) | 148.0 | Mozilla Thunderbird (ja) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ka) | 148.0 | Mozilla Thunderbird (ka) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (kab) | 148.0 | Mozilla Thunderbird (kab) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (kk) | 148.0 | Mozilla Thunderbird (kk) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ko) | 148.0 | Mozilla Thunderbird (ko) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (lt) | 148.0 | Mozilla Thunderbird (lt) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (lv) | 148.0 | Mozilla Thunderbird (lv) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ms) | 148.0 | Mozilla Thunderbird (ms) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (nb-NO) | 148.0 | Mozilla Thunderbird (nb-NO) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (nl) | 148.0 | Mozilla Thunderbird (nl) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (nn-NO) | 148.0 | Mozilla Thunderbird (nn-NO) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (pa-IN) | 148.0 | Mozilla Thunderbird (pa-IN) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (pl) | 148.0 | Mozilla Thunderbird (pl) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (pt-BR) | 148.0 | Mozilla Thunderbird (pt-BR) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (pt-PT) | 148.0 | Mozilla Thunderbird (pt-PT) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (rm) | 148.0 | Mozilla Thunderbird (rm) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ro) | 148.0 | Mozilla Thunderbird (ro) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (ru) | 148.0 | Mozilla Thunderbird (ru) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (sk) | 148.0 | Mozilla Thunderbird (sk) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (sl) | 148.0 | Mozilla Thunderbird (sl) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (sq) | 148.0 | Mozilla Thunderbird (sq) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (sr) | 148.0 | Mozilla Thunderbird (sr) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (sv-SE) | 148.0 | Mozilla Thunderbird (sv-SE) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (th) | 148.0 | Mozilla Thunderbird (th) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (tr) | 148.0 | Mozilla Thunderbird (tr) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (uk) | 148.0 | Mozilla Thunderbird (uk) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (uz) | 148.0 | Mozilla Thunderbird (uz) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (vi) | 148.0 | Mozilla Thunderbird (vi) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (zh-CN) | 148.0 | Mozilla Thunderbird (zh-CN) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird (zh-TW) | 148.0 | Mozilla Thunderbird (zh-TW) 148.0 | Feb 24, 2026 |
| Mozilla Thunderbird ESR (af) | 153.0.1 | Mozilla Thunderbird ESR (af) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ar) | 153.0.1 | Mozilla Thunderbird ESR (ar) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ast) | 153.0.1 | Mozilla Thunderbird ESR (ast) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (be) | 153.0.1 | Mozilla Thunderbird ESR (be) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (bg) | 153.0.1 | Mozilla Thunderbird ESR (bg) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (br) | 153.0.1 | Mozilla Thunderbird ESR (br) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ca) | 153.0.1 | Mozilla Thunderbird ESR (ca) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (cak) | 153.0.1 | Mozilla Thunderbird ESR (cak) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (cs) | 153.0.1 | Mozilla Thunderbird ESR (cs) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (cy) | 153.0.1 | Mozilla Thunderbird ESR (cy) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (da) | 153.0.1 | Mozilla Thunderbird ESR (da) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (de) | 153.0.1 | Mozilla Thunderbird ESR (de) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (dsb) | 153.0.1 | Mozilla Thunderbird ESR (dsb) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (el) | 153.0.1 | Mozilla Thunderbird ESR (el) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (en-CA) | 153.0.1 | Mozilla Thunderbird ESR (en-CA) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (en-GB) | 153.0.1 | Mozilla Thunderbird ESR (en-GB) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (en-US) | 153.0.1 | Mozilla Thunderbird ESR (en-US) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (es-AR) | 153.0.1 | Mozilla Thunderbird ESR (es-AR) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (es-ES) | 153.0.1 | Mozilla Thunderbird ESR (es-ES) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (es-MX) | 153.0.1 | Mozilla Thunderbird ESR (es-MX) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (et) | 153.0.1 | Mozilla Thunderbird ESR (et) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (eu) | 153.0.1 | Mozilla Thunderbird ESR (eu) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (fi) | 153.0.1 | Mozilla Thunderbird ESR (fi) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (fr) | 153.0.1 | Mozilla Thunderbird ESR (fr) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (fy-NL) | 153.0.1 | Mozilla Thunderbird ESR (fy-NL) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ga-IE) | 153.0.1 | Mozilla Thunderbird ESR (ga-IE) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (gd) | 153.0.1 | Mozilla Thunderbird ESR (gd) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (gl) | 153.0.1 | Mozilla Thunderbird ESR (gl) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (he) | 153.0.1 | Mozilla Thunderbird ESR (he) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (hr) | 153.0.1 | Mozilla Thunderbird ESR (hr) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (hsb) | 153.0.1 | Mozilla Thunderbird ESR (hsb) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (hu) | 153.0.1 | Mozilla Thunderbird ESR (hu) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (hy-AM) | 153.0.1 | Mozilla Thunderbird ESR (hy-AM) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (id) | 153.0.1 | Mozilla Thunderbird ESR (id) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (is) | 153.0.1 | Mozilla Thunderbird ESR (is) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (it) | 153.0.1 | Mozilla Thunderbird ESR (it) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ja) | 153.0.1 | Mozilla Thunderbird ESR (ja) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ka) | 153.0.1 | Mozilla Thunderbird ESR (ka) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (kab) | 153.0.1 | Mozilla Thunderbird ESR (kab) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (kk) | 153.0.1 | Mozilla Thunderbird ESR (kk) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ko) | 153.0.1 | Mozilla Thunderbird ESR (ko) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (lt) | 153.0.1 | Mozilla Thunderbird ESR (lt) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (lv) | 153.0.1 | Mozilla Thunderbird ESR (lv) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ms) | 153.0.1 | Mozilla Thunderbird ESR (ms) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (nb-NO) | 153.0.1 | Mozilla Thunderbird ESR (nb-NO) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (nl) | 153.0.1 | Mozilla Thunderbird ESR (nl) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (nn-NO) | 153.0.1 | Mozilla Thunderbird ESR (nn-NO) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (pa-IN) | 153.0.1 | Mozilla Thunderbird ESR (pa-IN) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (pl) | 153.0.1 | Mozilla Thunderbird ESR (pl) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (pt-BR) | 153.0.1 | Mozilla Thunderbird ESR (pt-BR) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (pt-PT) | 153.0.1 | Mozilla Thunderbird ESR (pt-PT) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (rm) | 153.0.1 | Mozilla Thunderbird ESR (rm) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ro) | 153.0.1 | Mozilla Thunderbird ESR (ro) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ru) | 153.0.1 | Mozilla Thunderbird ESR (ru) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sk) | 153.0.1 | Mozilla Thunderbird ESR (sk) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sl) | 153.0.1 | Mozilla Thunderbird ESR (sl) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sq) | 153.0.1 | Mozilla Thunderbird ESR (sq) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sr) | 153.0.1 | Mozilla Thunderbird ESR (sr) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sv-SE) | 153.0.1 | Mozilla Thunderbird ESR (sv-SE) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (th) | 153.0.1 | Mozilla Thunderbird ESR (th) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (tr) | 153.0.1 | Mozilla Thunderbird ESR (tr) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (uk) | 153.0.1 | Mozilla Thunderbird ESR (uk) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (uz) | 153.0.1 | Mozilla Thunderbird ESR (uz) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (vi) | 153.0.1 | Mozilla Thunderbird ESR (vi) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (zh-CN) | 153.0.1 | Mozilla Thunderbird ESR (zh-CN) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (zh-TW) | 153.0.1 | Mozilla Thunderbird ESR (zh-TW) 153.0.1 | Jul 23, 2026 |
| macOS | |||
| Mozilla Firefox | 150.0.2 | Mozilla Firefox 150.0.2 | May 6, 2026 |
| Linux | |||
| MozillaFirefox · opensuse-leap 15.6 | 140.8.0-150200.152.222.1 | SUSE-SU-2026:0871-1 | Mar 11, 2026 |
| MozillaFirefox · opensuse-leap 16.0 | 140.8.0-160000.1.1 | OPENSUSE-SU-2026:20365-1 | Mar 16, 2026 |
| MozillaFirefox · sles 15.6 | 140.8.0-150200.152.222.1 | SUSE-SU-2026:0871-1 | Mar 11, 2026 |
| MozillaFirefox · sles 15.7 | 140.8.0-150200.152.222.1 | SUSE-SU-2026:0871-1 | Mar 11, 2026 |
| MozillaThunderbird · opensuse-leap 15.6 | 140.8.0-150200.8.260.1 | SUSE-SU-2026:0880-1 | Mar 12, 2026 |
| MozillaThunderbird · opensuse-leap 16.0 | 140.8.1-bp160.1.1 | OPENSUSE-SU-2026:20391-1 | Mar 18, 2026 |
| MozillaThunderbird · sles 15.7 | 140.8.0-150200.8.260.1 | SUSE-SU-2026:0880-1 | Mar 12, 2026 |
| firefox · RHEL 10 | 140.8.0-2.el10_0 | RHSA-2026:3976 | Mar 12, 2026 |
| firefox · RHEL 8 | 0:140.8.0-2.el8_10 | RHSA-2026:3338 | Mar 12, 2026 |
| firefox · RHEL 9 | 0:140.8.0-2.el9_7 | RHSA-2026:3339 | Mar 12, 2026 |
| firefox · almalinux 10 | 140.8.0-2.el10_1 | ALSA-2026:3361 | Feb 25, 2026 |
| firefox · almalinux 8 | 140.8.0-2.el8_10.alma.1 | ALSA-2026:3338 | Feb 25, 2026 |
| firefox · almalinux 9 | 140.8.0-2.el9_7.alma.1 | ALSA-2026:3339 | Feb 25, 2026 |
| firefox · amzn 2023 | 140.8.0-1.amzn2023.0.1 | ALAS2023-2026-1470 | Mar 2, 2026 |
| firefox · ol 10 | 0:140.8.0-2.0.1.el10_1 | ELSA-2026-3361 | Feb 26, 2026 |
| firefox · ol 8 | 0:140.8.0-2.0.1.el8_10 | ELSA-2026-3338 | Feb 26, 2026 |
| firefox · ol 9 | 0:140.8.0-2.0.1.el9_7 | ELSA-2026-3339 | Feb 26, 2026 |
| firefox · rocky 10 | 0:140.8.0-2.el10_1 | RLSA-2026:3361 | Feb 26, 2026 |
| firefox · rocky 8 | 0:140.8.0-2.el8_10 | RLSA-2026:3338 | Feb 26, 2026 |
| firefox · rocky 9 | 0:140.8.0-2.el9_7 | RLSA-2026:3339 | Feb 26, 2026 |
| firefox-debuginfo · amzn 2023 | 140.8.0-1.amzn2023.0.1 | ALAS2023-2026-1470 | Mar 2, 2026 |
| firefox-debugsource · amzn 2023 | 140.8.0-1.amzn2023.0.1 | ALAS2023-2026-1470 | Mar 2, 2026 |
| firefox-esr · Debian 12.15 (bookworm) | 140.8.0esr-1~deb12u1 | DEBIAN-CVE-2026-2781 | Feb 24, 2026 |
| firefox-esr · Debian 13.5 (trixie) | 140.8.0esr-1~deb13u1 | DEBIAN-CVE-2026-2781 | Feb 24, 2026 |
| firefox-esr · Debian 14 | 140.8.0esr-1 | DEBIAN-CVE-2026-2781 | Feb 24, 2026 |
| firefox-x11 · RHEL 9 | 0:140.8.0-2.el9_7 | RHSA-2026:3339 | Mar 12, 2026 |
| firefox-x11 · almalinux 9 | 140.8.0-2.el9_7.alma.1 | ALSA-2026:3339 | Feb 25, 2026 |
| firefox-x11 · ol 9 | 0:140.8.0-2.0.1.el9_7 | ELSA-2026-3339 | Feb 26, 2026 |
| libnss3 · Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.16+esm1 | libnss3 2:3.35-2ubuntu2.16+esm1 | Mar 12, 2026 |
| libnss3 · Ubuntu 20.04 LTS (focal) | 2:3.98-0ubuntu0.20.04.2+esm1 | libnss3 2:3.98-0ubuntu0.20.04.2+esm1 | Mar 12, 2026 |
| libnss3 · Ubuntu 22.04.1 LTS (jammy) | 2:3.98-0ubuntu0.22.04.3 | libnss3 2:3.98-0ubuntu0.22.04.3 | Mar 12, 2026 |
| libnss3 · Ubuntu 24.04.5 LTS (noble) | 2:3.98-1ubuntu0.1 | libnss3 2:3.98-1ubuntu0.1 | Mar 12, 2026 |
| libnss3 · Ubuntu 25.10 (questing) | 2:3.114-1ubuntu0.1 | libnss3 2:3.114-1ubuntu0.1 | Mar 12, 2026 |
| libnss3 · Ubuntu 26.04.1 LTS (resolute) | 2:3.120-1ubuntu1 | libnss3 2:3.120-1ubuntu1 | Feb 24, 2026 |
| libnss3-tools · Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.16+esm1 | libnss3-tools 2:3.35-2ubuntu2.16+esm1 | Mar 12, 2026 |
| libnss3-tools · Ubuntu 20.04 LTS (focal) | 2:3.98-0ubuntu0.20.04.2+esm1 | libnss3-tools 2:3.98-0ubuntu0.20.04.2+esm1 | Mar 12, 2026 |
| libnss3-tools · Ubuntu 22.04.1 LTS (jammy) | 2:3.98-0ubuntu0.22.04.3 | libnss3-tools 2:3.98-0ubuntu0.22.04.3 | Mar 12, 2026 |
| libnss3-tools · Ubuntu 24.04.5 LTS (noble) | 2:3.98-1ubuntu0.1 | libnss3-tools 2:3.98-1ubuntu0.1 | Mar 12, 2026 |
| libnss3-tools · Ubuntu 25.10 (questing) | 2:3.114-1ubuntu0.1 | libnss3-tools 2:3.114-1ubuntu0.1 | Mar 12, 2026 |
| libnss3-tools · Ubuntu 26.04.1 LTS (resolute) | 2:3.120-1ubuntu1 | libnss3-tools 2:3.120-1ubuntu1 | Feb 24, 2026 |
| mozilla-nss · opensuse-leap 15.6 | 3.112.3-150400.3.63.1 | SUSE-SU-2026:0813-1 | Mar 5, 2026 |
| mozilla-nss · sles 15.6 | 3.112.3-150400.3.63.1 | SUSE-SU-2026:0813-1 | Mar 5, 2026 |
| mozilla-nss · sles 15.7 | 3.112.3-150400.3.63.1 | SUSE-SU-2026:0813-1 | Mar 5, 2026 |
| nss · Debian 11.6 (bullseye) | 2:3.61-1+deb11u5 | DLA-4508-1 | Mar 25, 2026 |
| nss · Debian 12.15 (bookworm) | 2:3.87.1-1+deb12u2 | DSA-6149-1 | Feb 26, 2026 |
| nss · Debian 13.5 (trixie) | 2:3.110-1+deb13u1 | DSA-6149-1 | Feb 26, 2026 |
| nss · Debian 14 | 2:3.121-1 | DEBIAN-CVE-2026-2781 | Feb 24, 2026 |
| thunderbird · Debian 12.15 (bookworm) | 1:140.8.0esr-1~deb12u1 | DEBIAN-CVE-2026-2781 | Feb 24, 2026 |
| thunderbird · Debian 13.5 (trixie) | 1:140.8.0esr-1~deb13u1 | DEBIAN-CVE-2026-2781 | Feb 24, 2026 |
| thunderbird · Debian 14 | 1:140.8.0esr-1 | DEBIAN-CVE-2026-2781 | Feb 24, 2026 |
| thunderbird · RHEL 10 | 140.8.0-2.el10_0 | RHSA-2026:4260 | Mar 12, 2026 |
| thunderbird · RHEL 8 | 0:140.8.0-1.el8_10 | RHSA-2026:3515 | Mar 12, 2026 |
| thunderbird · RHEL 9 | 0:140.8.0-1.el9_7 | RHSA-2026:3516 | Mar 12, 2026 |
| thunderbird · almalinux 10 | 140.8.0-2.el10_1.alma.1 | ALSA-2026:3517 | Mar 2, 2026 |
| thunderbird · almalinux 8 | 140.8.0-1.el8_10.alma.1 | ALSA-2026:3515 | Mar 2, 2026 |
| thunderbird · almalinux 9 | 140.8.0-1.el9_7.alma.1 | ALSA-2026:3516 | Mar 2, 2026 |
| thunderbird · ol 10 | 0:140.8.0-2.0.1.el10_1 | ELSA-2026-3517 | Mar 2, 2026 |
| thunderbird · ol 8 | 0:140.8.0-1.0.1.el8_10 | ELSA-2026-3515 | Mar 2, 2026 |
| thunderbird · ol 9 | 0:140.8.0-1.0.1.el9_7 | ELSA-2026-3516 | Mar 2, 2026 |
| thunderbird · rocky 10 | 0:140.8.0-2.el10_1 | RLSA-2026:3517 | Mar 5, 2026 |
| thunderbird · rocky 8 | 0:140.8.0-1.el8_10 | RLSA-2026:3515 | Mar 3, 2026 |
| thunderbird · rocky 9 | 0:140.8.0-1.el9_7 | RLSA-2026:3516 | Mar 3, 2026 |
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