CVE-2026-16396
Privilege escalation in WebExtensions
CVE-2026-16396 is fixed in 350 products on 3 platforms, first by Mozilla Firefox 153.0, released July 15, 2026. 100 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 3 platforms
CVSS
8.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0045
39th percentile
Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Firefox Developer Edition (en-US) | 156.0 | Firefox Developer Edition (en-US) 156.0 | Sep 2, 2026 |
| Mozilla Firefox (ach) | 153.0 | Mozilla Firefox (ach) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (af) | 153.0 | Mozilla Firefox (af) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (an) | 153.0 | Mozilla Firefox (an) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ar) | 153.0 | Mozilla Firefox (ar) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ast) | 153.0 | Mozilla Firefox (ast) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (az) | 153.0 | Mozilla Firefox (az) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (be) | 153.0 | Mozilla Firefox (be) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (bg) | 153.0 | Mozilla Firefox (bg) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (bn) | 153.0 | Mozilla Firefox (bn) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (br) | 153.0 | Mozilla Firefox (br) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (bs) | 153.0 | Mozilla Firefox (bs) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ca) | 153.0 | Mozilla Firefox (ca) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ca-valencia) | 153.0 | Mozilla Firefox (ca-valencia) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (cak) | 153.0 | Mozilla Firefox (cak) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (cs) | 153.0 | Mozilla Firefox (cs) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (cy) | 153.0 | Mozilla Firefox (cy) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (da) | 153.0 | Mozilla Firefox (da) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (de) | 153.0 | Mozilla Firefox (de) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (dsb) | 153.0 | Mozilla Firefox (dsb) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (el) | 153.0 | Mozilla Firefox (el) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (en-CA) | 153.0 | Mozilla Firefox (en-CA) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (en-GB) | 153.0 | Mozilla Firefox (en-GB) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (en-US) | 153.0 | Mozilla Firefox (en-US) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (eo) | 153.0 | Mozilla Firefox (eo) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (es-AR) | 153.0 | Mozilla Firefox (es-AR) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (es-CL) | 153.0 | Mozilla Firefox (es-CL) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (es-ES) | 153.0 | Mozilla Firefox (es-ES) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (es-MX) | 153.0 | Mozilla Firefox (es-MX) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (et) | 153.0 | Mozilla Firefox (et) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (eu) | 153.0 | Mozilla Firefox (eu) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (fa) | 153.0 | Mozilla Firefox (fa) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ff) | 153.0 | Mozilla Firefox (ff) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (fi) | 153.0 | Mozilla Firefox (fi) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (fr) | 153.0 | Mozilla Firefox (fr) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (fur) | 153.0 | Mozilla Firefox (fur) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (fy-NL) | 153.0 | Mozilla Firefox (fy-NL) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ga-IE) | 153.0 | Mozilla Firefox (ga-IE) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (gd) | 153.0 | Mozilla Firefox (gd) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (gl) | 153.0 | Mozilla Firefox (gl) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (gn) | 153.0 | Mozilla Firefox (gn) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (gu-IN) | 153.0 | Mozilla Firefox (gu-IN) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (he) | 153.0 | Mozilla Firefox (he) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (hi-IN) | 153.0 | Mozilla Firefox (hi-IN) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (hr) | 153.0 | Mozilla Firefox (hr) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (hsb) | 153.0 | Mozilla Firefox (hsb) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (hu) | 153.0 | Mozilla Firefox (hu) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (hy-AM) | 153.0 | Mozilla Firefox (hy-AM) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ia) | 153.0 | Mozilla Firefox (ia) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (id) | 153.0 | Mozilla Firefox (id) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (is) | 153.0 | Mozilla Firefox (is) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (it) | 153.0 | Mozilla Firefox (it) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ja) | 153.0 | Mozilla Firefox (ja) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ka) | 153.0 | Mozilla Firefox (ka) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (kab) | 153.0 | Mozilla Firefox (kab) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (kk) | 153.0 | Mozilla Firefox (kk) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (km) | 153.0 | Mozilla Firefox (km) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (kn) | 153.0 | Mozilla Firefox (kn) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ko) | 153.0 | Mozilla Firefox (ko) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (lij) | 153.0 | Mozilla Firefox (lij) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (lt) | 153.0 | Mozilla Firefox (lt) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (lv) | 153.0 | Mozilla Firefox (lv) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (mk) | 153.0 | Mozilla Firefox (mk) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (mr) | 153.0 | Mozilla Firefox (mr) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ms) | 153.0 | Mozilla Firefox (ms) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (my) | 153.0 | Mozilla Firefox (my) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (nb-NO) | 153.0 | Mozilla Firefox (nb-NO) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ne-NP) | 153.0 | Mozilla Firefox (ne-NP) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (nl) | 153.0 | Mozilla Firefox (nl) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (nn-NO) | 153.0 | Mozilla Firefox (nn-NO) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (oc) | 153.0 | Mozilla Firefox (oc) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (pa-IN) | 153.0 | Mozilla Firefox (pa-IN) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (pl) | 153.0 | Mozilla Firefox (pl) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (pt-BR) | 153.0 | Mozilla Firefox (pt-BR) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (pt-PT) | 153.0 | Mozilla Firefox (pt-PT) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (rm) | 153.0 | Mozilla Firefox (rm) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ro) | 153.0 | Mozilla Firefox (ro) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ru) | 153.0 | Mozilla Firefox (ru) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (sc) | 153.0 | Mozilla Firefox (sc) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (sco) | 153.0 | Mozilla Firefox (sco) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (si) | 153.0 | Mozilla Firefox (si) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (sk) | 153.0 | Mozilla Firefox (sk) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (sl) | 153.0 | Mozilla Firefox (sl) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (son) | 153.0 | Mozilla Firefox (son) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (sq) | 153.0 | Mozilla Firefox (sq) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (sr) | 153.0 | Mozilla Firefox (sr) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (sv-SE) | 153.0 | Mozilla Firefox (sv-SE) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (szl) | 153.0 | Mozilla Firefox (szl) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ta) | 153.0 | Mozilla Firefox (ta) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (te) | 153.0 | Mozilla Firefox (te) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (tg) | 153.0 | Mozilla Firefox (tg) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (th) | 153.0 | Mozilla Firefox (th) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (tl) | 153.0 | Mozilla Firefox (tl) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (tr) | 153.0 | Mozilla Firefox (tr) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (trs) | 153.0 | Mozilla Firefox (trs) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (uk) | 153.0 | Mozilla Firefox (uk) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (ur) | 153.0 | Mozilla Firefox (ur) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (uz) | 153.0 | Mozilla Firefox (uz) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (vi) | 153.0 | Mozilla Firefox (vi) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (xh) | 153.0 | Mozilla Firefox (xh) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (zh-CN) | 153.0 | Mozilla Firefox (zh-CN) 153.0 | Jul 21, 2026 |
| Mozilla Firefox (zh-TW) | 153.0 | Mozilla Firefox (zh-TW) 153.0 | Jul 21, 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) | 153.0 | Mozilla Thunderbird (af) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ar) | 153.0 | Mozilla Thunderbird (ar) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ast) | 153.0 | Mozilla Thunderbird (ast) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (be) | 153.0 | Mozilla Thunderbird (be) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (bg) | 153.0 | Mozilla Thunderbird (bg) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (br) | 153.0 | Mozilla Thunderbird (br) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ca) | 153.0 | Mozilla Thunderbird (ca) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (cak) | 153.0 | Mozilla Thunderbird (cak) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (cs) | 153.0 | Mozilla Thunderbird (cs) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (cy) | 153.0 | Mozilla Thunderbird (cy) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (da) | 153.0 | Mozilla Thunderbird (da) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (de) | 153.0 | Mozilla Thunderbird (de) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (dsb) | 153.0 | Mozilla Thunderbird (dsb) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (el) | 153.0 | Mozilla Thunderbird (el) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (en-CA) | 153.0 | Mozilla Thunderbird (en-CA) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (en-GB) | 153.0 | Mozilla Thunderbird (en-GB) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (en-US) | 153.0 | Mozilla Thunderbird (en-US) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (es-AR) | 153.0 | Mozilla Thunderbird (es-AR) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (es-ES) | 153.0 | Mozilla Thunderbird (es-ES) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (es-MX) | 153.0 | Mozilla Thunderbird (es-MX) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (et) | 153.0 | Mozilla Thunderbird (et) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (eu) | 153.0 | Mozilla Thunderbird (eu) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (fi) | 153.0 | Mozilla Thunderbird (fi) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (fr) | 153.0 | Mozilla Thunderbird (fr) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (fy-NL) | 153.0 | Mozilla Thunderbird (fy-NL) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ga-IE) | 153.0 | Mozilla Thunderbird (ga-IE) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (gd) | 153.0 | Mozilla Thunderbird (gd) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (gl) | 153.0 | Mozilla Thunderbird (gl) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (he) | 153.0 | Mozilla Thunderbird (he) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (hr) | 153.0 | Mozilla Thunderbird (hr) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (hsb) | 153.0 | Mozilla Thunderbird (hsb) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (hu) | 153.0 | Mozilla Thunderbird (hu) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (hy-AM) | 153.0 | Mozilla Thunderbird (hy-AM) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (id) | 153.0 | Mozilla Thunderbird (id) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (is) | 153.0 | Mozilla Thunderbird (is) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (it) | 153.0 | Mozilla Thunderbird (it) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ja) | 153.0 | Mozilla Thunderbird (ja) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ka) | 153.0 | Mozilla Thunderbird (ka) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (kab) | 153.0 | Mozilla Thunderbird (kab) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (kk) | 153.0 | Mozilla Thunderbird (kk) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ko) | 153.0 | Mozilla Thunderbird (ko) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (lt) | 153.0 | Mozilla Thunderbird (lt) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (lv) | 153.0 | Mozilla Thunderbird (lv) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ms) | 153.0 | Mozilla Thunderbird (ms) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (nb-NO) | 153.0 | Mozilla Thunderbird (nb-NO) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (nl) | 153.0 | Mozilla Thunderbird (nl) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (nn-NO) | 153.0 | Mozilla Thunderbird (nn-NO) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (pa-IN) | 153.0 | Mozilla Thunderbird (pa-IN) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (pl) | 153.0 | Mozilla Thunderbird (pl) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (pt-BR) | 153.0 | Mozilla Thunderbird (pt-BR) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (pt-PT) | 153.0 | Mozilla Thunderbird (pt-PT) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (rm) | 153.0 | Mozilla Thunderbird (rm) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ro) | 153.0 | Mozilla Thunderbird (ro) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (ru) | 153.0 | Mozilla Thunderbird (ru) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (sk) | 153.0 | Mozilla Thunderbird (sk) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (sl) | 153.0 | Mozilla Thunderbird (sl) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (sq) | 153.0 | Mozilla Thunderbird (sq) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (sr) | 153.0 | Mozilla Thunderbird (sr) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (sv-SE) | 153.0 | Mozilla Thunderbird (sv-SE) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (th) | 153.0 | Mozilla Thunderbird (th) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (tr) | 153.0 | Mozilla Thunderbird (tr) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (uk) | 153.0 | Mozilla Thunderbird (uk) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (uz) | 153.0 | Mozilla Thunderbird (uz) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (vi) | 153.0 | Mozilla Thunderbird (vi) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (zh-CN) | 153.0 | Mozilla Thunderbird (zh-CN) 153.0 | Jul 21, 2026 |
| Mozilla Thunderbird (zh-TW) | 153.0 | Mozilla Thunderbird (zh-TW) 153.0 | Jul 21, 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) | 140.15.0 | Mozilla Thunderbird ESR (en-US) 140.15.0 | Sep 1, 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 | 153.0 | Mozilla Firefox 153.0 | Jul 15, 2026 |
| Mozilla Thunderbird | 153.0 | Mozilla Thunderbird 153.0 | Jul 16, 2026 |
| Linux | |||
| MozillaFirefox · opensuse-leap 16.0 | 153.1.0-160000.1.2 | OPENSUSE-SU-2026:21713-1 | Aug 31, 2026 |
| MozillaFirefox · sles 15.6 | 153.2.0-150400.157.5.1 | SUSE-SU-2026:4156-1 | Sep 14, 2026 |
| MozillaFirefox · sles 15.7 | 153.2.0-150400.157.5.1 | SUSE-SU-2026:4156-1 | Sep 14, 2026 |
| MozillaFirefox · sles 16.0 | 153.1.0-160000.1.1 | SUSE-SU-2026:23590-1 | Aug 31, 2026 |
| MozillaFirefox-branding-SLE · sles 15.6 | 153-150400.14.3.1 | SUSE-SU-2026:4156-1 | Sep 14, 2026 |
| MozillaFirefox-branding-SLE · sles 15.7 | 153-150400.14.3.1 | SUSE-SU-2026:4156-1 | Sep 14, 2026 |
| MozillaFirefox-branding-SLE · sles 16.0 | 153-160000.1.1 | SUSE-SU-2026:23590-1 | Aug 31, 2026 |
| MozillaThunderbird · sles 15.7 | 153.2.0-150400.13.3.1 | SUSE-SU-2026:4268-1 | Sep 18, 2026 |
| firefox · RHEL 10 | 140.13.0-1.el10_0 | RHSA-2026:54181 | Jul 31, 2026 |
| firefox · RHEL 8 | 0:140.13.0-1.el8_10 | RHSA-2026:47105 | Jul 31, 2026 |
| firefox · RHEL 9 | 0:140.13.0-1.el9_8 | RHSA-2026:47104 | Aug 5, 2026 |
| firefox · almalinux 10 | 140.13.0-1.el10_2 | ALSA-2026:47101 | Jul 28, 2026 |
| firefox · almalinux 8 | 140.13.0-1.el8_10.alma.1 | ALSA-2026:47105 | Jul 28, 2026 |
| firefox · almalinux 9 | 140.13.0-1.el9_8.alma.1 | ALSA-2026:47104 | Jul 28, 2026 |
| firefox · amzn 2023 | 140.13.0-1.amzn2023.0.1 | ALAS2023-2026-2069 | Aug 17, 2026 |
| firefox · ol 10 | 0:140.13.0-1.0.1.el10_2 | ELSA-2026-47101 | Jul 28, 2026 |
| firefox · ol 8 | 0:140.13.0-1.0.1.el8_10 | ELSA-2026-47105 | Jul 28, 2026 |
| firefox · ol 9 | 0:140.13.0-1.0.1.el9_8 | ELSA-2026-47104 | Jul 29, 2026 |
| firefox · rocky 10 | 0:140.13.0-1.el10_2 | RLSA-2026:47101 | Jul 30, 2026 |
| firefox · rocky 8 | 0:140.13.0-1.el8_10 | RLSA-2026:47105 | Jul 29, 2026 |
| firefox · rocky 9 | 0:140.13.0-1.el9_8 | RLSA-2026:47104 | Aug 3, 2026 |
| firefox-debuginfo · amzn 2023 | 140.13.0-1.amzn2023.0.1 | ALAS2023-2026-2069 | Aug 17, 2026 |
| firefox-debugsource · amzn 2023 | 140.13.0-1.amzn2023.0.1 | ALAS2023-2026-2069 | Aug 17, 2026 |
| firefox-esr · Debian 12.15 (bookworm) | 140.13.0esr-1~deb12u1 | DEBIAN-CVE-2026-16396 | Jul 23, 2026 |
| firefox-esr · Debian 13.5 (trixie) | 140.13.0esr-1~deb13u1 | DEBIAN-CVE-2026-16396 | Jul 23, 2026 |
| firefox-esr · Debian 14 | 140.13.0esr-1 | DEBIAN-CVE-2026-16396 | Jul 23, 2026 |
| firefox-x11 · RHEL 9 | 0:140.13.0-1.el9_8 | RHSA-2026:47104 | Aug 5, 2026 |
| firefox-x11 · almalinux 9 | 140.13.0-1.el9_8.alma.1 | ALSA-2026:47104 | Jul 28, 2026 |
| firefox-x11 · ol 9 | 0:140.13.0-1.0.1.el9_8 | ELSA-2026-47104 | Jul 29, 2026 |
| mozilla-nspr · opensuse-leap 16.0 | 4.39-160000.1.1 | OPENSUSE-SU-2026:21713-1 | Aug 31, 2026 |
| mozilla-nspr · sles 15.6 | 4.39-150400.12.3.1 | SUSE-SU-2026:4156-1 | Sep 14, 2026 |
| mozilla-nspr · sles 15.7 | 4.39-150400.12.3.1 | SUSE-SU-2026:4156-1 | Sep 14, 2026 |
| mozilla-nspr · sles 16.0 | 4.39-160000.1.1 | SUSE-SU-2026:23590-1 | Aug 31, 2026 |
| mozilla-nss · opensuse-leap 16.0 | 3.125-160000.1.1 | OPENSUSE-SU-2026:21713-1 | Aug 31, 2026 |
| mozilla-nss · sles 15.6 | 3.125-150400.3.74.1 | SUSE-SU-2026:4156-1 | Sep 14, 2026 |
| mozilla-nss · sles 15.7 | 3.125-150400.3.74.1 | SUSE-SU-2026:4156-1 | Sep 14, 2026 |
| mozilla-nss · sles 16.0 | 3.125-160000.1.1 | SUSE-SU-2026:23590-1 | Aug 31, 2026 |
| rust-cbindgen · opensuse-leap 16.0 | 0.29.4+git0-160000.1.1 | OPENSUSE-SU-2026:21713-1 | Aug 31, 2026 |
| rust-cbindgen · sles 16.0 | 0.29.4+git0-160000.1.1 | SUSE-SU-2026:23590-1 | Aug 31, 2026 |
| thunderbird · Debian 12.15 (bookworm) | 1:140.13.0esr-2~deb12u1 | DEBIAN-CVE-2026-16396 | Jul 23, 2026 |
| thunderbird · Debian 13.5 (trixie) | 1:140.13.0esr-2~deb13u1 | DEBIAN-CVE-2026-16396 | Jul 23, 2026 |
| thunderbird · Debian 14 | 1:140.13.0esr-1 | DEBIAN-CVE-2026-16396 | Jul 23, 2026 |
| thunderbird · RHEL 10 | 140.13.0-1.el10_0 | RHSA-2026:53445 | Aug 3, 2026 |
| thunderbird · RHEL 8 | 0:140.13.0-1.el8_10 | RHSA-2026:49922 | Aug 5, 2026 |
| thunderbird · RHEL 9 | 0:140.13.0-1.el9_8 | RHSA-2026:49921 | Aug 5, 2026 |
| thunderbird · almalinux 10 | 140.13.0-1.el10_2.alma.1 | ALSA-2026:49621 | Aug 3, 2026 |
| thunderbird · almalinux 8 | 140.13.0-1.el8_10.alma.1 | ALSA-2026:49922 | Aug 4, 2026 |
| thunderbird · almalinux 9 | 140.13.0-1.el9_8.alma.1 | ALSA-2026:49921 | Aug 4, 2026 |
| thunderbird · ol 10 | 0:140.13.0-1.0.1.el10_2 | ELSA-2026-49621 | Aug 3, 2026 |
| thunderbird · ol 8 | 0:140.13.0-1.0.1.el8_10 | ELSA-2026-49922 | Aug 4, 2026 |
| thunderbird · ol 9 | 0:140.13.0-1.0.1.el9_8 | ELSA-2026-49921 | Aug 4, 2026 |
| thunderbird · rocky 10 | 0:140.13.0-1.el10_2 | RLSA-2026:49621 | Aug 6, 2026 |
| thunderbird · rocky 8 | 0:140.13.0-1.el8_10 | RLSA-2026:49922 | Aug 6, 2026 |
| thunderbird · rocky 9 | 0:140.13.0-1.el9_8 | RLSA-2026:49921 | Aug 6, 2026 |
| No fix yet | |||
| Firefox Developer Edition (ach) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (af) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (an) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ar) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ast) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (az) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (be) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (bg) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (bn) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (br) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (bs) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ca) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ca-valencia) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (cak) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (cs) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (cy) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (da) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (de) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (dsb) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (el) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (en-CA) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (en-GB) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (eo) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (es-AR) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (es-CL) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (es-ES) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (es-MX) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (et) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (eu) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fa) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ff) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fi) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fur) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fy-NL) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ga-IE) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (gd) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (gl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (gn) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (gu-IN) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (he) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hi-IN) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hsb) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hu) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hy-AM) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ia) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (id) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (is) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (it) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ja) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ka) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (kab) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (kk) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (km) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (kn) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ko) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (lij) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (lt) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (lv) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (mk) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (mr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ms) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (my) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (nb-NO) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ne-NP) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (nl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (nn-NO) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (oc) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (pa-IN) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (pl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (pt-BR) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (pt-PT) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (rm) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ro) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ru) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sc) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sco) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (si) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sk) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (son) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sq) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sv-SE) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (szl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ta) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (te) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (tg) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (th) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (tl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (tr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (trs) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (uk) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ur) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (uz) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (vi) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (xh) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (zh-CN) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (zh-TW) (Windows apps) | No fix yet | no-fix | n/a |