CVE-2025-5268
Memory safety bugs fixed in Firefox 139, Thunderbird 139, Firefox ESR 128.11, and Thunderbird 128.11
CVE-2025-5268 is fixed in 450 products on 2 platforms, first by Firefox Developer Edition (ach) 139.0, released May 18, 2025. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
8.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0051
43rd percentile
Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Firefox Developer Edition (ach) | 139.0 | Firefox Developer Edition (ach) 139.0 | May 18, 2025 |
| Firefox Developer Edition (af) | 139.0 | Firefox Developer Edition (af) 139.0 | May 18, 2025 |
| Firefox Developer Edition (an) | 139.0 | Firefox Developer Edition (an) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ar) | 139.0 | Firefox Developer Edition (ar) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ast) | 139.0 | Firefox Developer Edition (ast) 139.0 | May 18, 2025 |
| Firefox Developer Edition (az) | 139.0 | Firefox Developer Edition (az) 139.0 | May 18, 2025 |
| Firefox Developer Edition (be) | 139.0 | Firefox Developer Edition (be) 139.0 | May 18, 2025 |
| Firefox Developer Edition (bg) | 139.0 | Firefox Developer Edition (bg) 139.0 | May 18, 2025 |
| Firefox Developer Edition (bn) | 139.0 | Firefox Developer Edition (bn) 139.0 | May 18, 2025 |
| Firefox Developer Edition (br) | 139.0 | Firefox Developer Edition (br) 139.0 | May 18, 2025 |
| Firefox Developer Edition (bs) | 139.0 | Firefox Developer Edition (bs) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ca) | 139.0 | Firefox Developer Edition (ca) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ca-valencia) | 139.0 | Firefox Developer Edition (ca-valencia) 139.0 | May 18, 2025 |
| Firefox Developer Edition (cak) | 139.0 | Firefox Developer Edition (cak) 139.0 | May 18, 2025 |
| Firefox Developer Edition (cs) | 139.0 | Firefox Developer Edition (cs) 139.0 | May 18, 2025 |
| Firefox Developer Edition (cy) | 139.0 | Firefox Developer Edition (cy) 139.0 | May 18, 2025 |
| Firefox Developer Edition (da) | 139.0 | Firefox Developer Edition (da) 139.0 | May 18, 2025 |
| Firefox Developer Edition (de) | 139.0 | Firefox Developer Edition (de) 139.0 | May 18, 2025 |
| Firefox Developer Edition (dsb) | 139.0 | Firefox Developer Edition (dsb) 139.0 | May 18, 2025 |
| Firefox Developer Edition (el) | 139.0 | Firefox Developer Edition (el) 139.0 | May 18, 2025 |
| Firefox Developer Edition (en-CA) | 139.0 | Firefox Developer Edition (en-CA) 139.0 | May 18, 2025 |
| Firefox Developer Edition (en-GB) | 139.0 | Firefox Developer Edition (en-GB) 139.0 | May 18, 2025 |
| Firefox Developer Edition (en-US) | 139.0 | Firefox Developer Edition (en-US) 139.0 | May 18, 2025 |
| Firefox Developer Edition (eo) | 139.0 | Firefox Developer Edition (eo) 139.0 | May 18, 2025 |
| Firefox Developer Edition (es-AR) | 139.0 | Firefox Developer Edition (es-AR) 139.0 | May 18, 2025 |
| Firefox Developer Edition (es-CL) | 139.0 | Firefox Developer Edition (es-CL) 139.0 | May 18, 2025 |
| Firefox Developer Edition (es-ES) | 139.0 | Firefox Developer Edition (es-ES) 139.0 | May 18, 2025 |
| Firefox Developer Edition (es-MX) | 139.0 | Firefox Developer Edition (es-MX) 139.0 | May 18, 2025 |
| Firefox Developer Edition (et) | 139.0 | Firefox Developer Edition (et) 139.0 | May 18, 2025 |
| Firefox Developer Edition (eu) | 139.0 | Firefox Developer Edition (eu) 139.0 | May 18, 2025 |
| Firefox Developer Edition (fa) | 139.0 | Firefox Developer Edition (fa) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ff) | 139.0 | Firefox Developer Edition (ff) 139.0 | May 18, 2025 |
| Firefox Developer Edition (fi) | 139.0 | Firefox Developer Edition (fi) 139.0 | May 18, 2025 |
| Firefox Developer Edition (fr) | 139.0 | Firefox Developer Edition (fr) 139.0 | May 18, 2025 |
| Firefox Developer Edition (fur) | 139.0 | Firefox Developer Edition (fur) 139.0 | May 18, 2025 |
| Firefox Developer Edition (fy-NL) | 139.0 | Firefox Developer Edition (fy-NL) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ga-IE) | 139.0 | Firefox Developer Edition (ga-IE) 139.0 | May 18, 2025 |
| Firefox Developer Edition (gd) | 139.0 | Firefox Developer Edition (gd) 139.0 | May 18, 2025 |
| Firefox Developer Edition (gl) | 139.0 | Firefox Developer Edition (gl) 139.0 | May 18, 2025 |
| Firefox Developer Edition (gn) | 139.0 | Firefox Developer Edition (gn) 139.0 | May 18, 2025 |
| Firefox Developer Edition (gu-IN) | 139.0 | Firefox Developer Edition (gu-IN) 139.0 | May 18, 2025 |
| Firefox Developer Edition (he) | 139.0 | Firefox Developer Edition (he) 139.0 | May 18, 2025 |
| Firefox Developer Edition (hi-IN) | 139.0 | Firefox Developer Edition (hi-IN) 139.0 | May 18, 2025 |
| Firefox Developer Edition (hr) | 139.0 | Firefox Developer Edition (hr) 139.0 | May 18, 2025 |
| Firefox Developer Edition (hsb) | 139.0 | Firefox Developer Edition (hsb) 139.0 | May 18, 2025 |
| Firefox Developer Edition (hu) | 139.0 | Firefox Developer Edition (hu) 139.0 | May 18, 2025 |
| Firefox Developer Edition (hy-AM) | 139.0 | Firefox Developer Edition (hy-AM) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ia) | 139.0 | Firefox Developer Edition (ia) 139.0 | May 18, 2025 |
| Firefox Developer Edition (id) | 139.0 | Firefox Developer Edition (id) 139.0 | May 18, 2025 |
| Firefox Developer Edition (is) | 139.0 | Firefox Developer Edition (is) 139.0 | May 18, 2025 |
| Firefox Developer Edition (it) | 139.0 | Firefox Developer Edition (it) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ja) | 139.0 | Firefox Developer Edition (ja) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ka) | 139.0 | Firefox Developer Edition (ka) 139.0 | May 18, 2025 |
| Firefox Developer Edition (kab) | 139.0 | Firefox Developer Edition (kab) 139.0 | May 18, 2025 |
| Firefox Developer Edition (kk) | 139.0 | Firefox Developer Edition (kk) 139.0 | May 18, 2025 |
| Firefox Developer Edition (km) | 139.0 | Firefox Developer Edition (km) 139.0 | May 18, 2025 |
| Firefox Developer Edition (kn) | 139.0 | Firefox Developer Edition (kn) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ko) | 139.0 | Firefox Developer Edition (ko) 139.0 | May 18, 2025 |
| Firefox Developer Edition (lij) | 139.0 | Firefox Developer Edition (lij) 139.0 | May 18, 2025 |
| Firefox Developer Edition (lt) | 139.0 | Firefox Developer Edition (lt) 139.0 | May 18, 2025 |
| Firefox Developer Edition (lv) | 139.0 | Firefox Developer Edition (lv) 139.0 | May 18, 2025 |
| Firefox Developer Edition (mk) | 139.0 | Firefox Developer Edition (mk) 139.0 | May 18, 2025 |
| Firefox Developer Edition (mr) | 139.0 | Firefox Developer Edition (mr) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ms) | 139.0 | Firefox Developer Edition (ms) 139.0 | May 18, 2025 |
| Firefox Developer Edition (my) | 139.0 | Firefox Developer Edition (my) 139.0 | May 18, 2025 |
| Firefox Developer Edition (nb-NO) | 139.0 | Firefox Developer Edition (nb-NO) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ne-NP) | 139.0 | Firefox Developer Edition (ne-NP) 139.0 | May 18, 2025 |
| Firefox Developer Edition (nl) | 139.0 | Firefox Developer Edition (nl) 139.0 | May 18, 2025 |
| Firefox Developer Edition (nn-NO) | 139.0 | Firefox Developer Edition (nn-NO) 139.0 | May 18, 2025 |
| Firefox Developer Edition (oc) | 139.0 | Firefox Developer Edition (oc) 139.0 | May 18, 2025 |
| Firefox Developer Edition (pa-IN) | 139.0 | Firefox Developer Edition (pa-IN) 139.0 | May 18, 2025 |
| Firefox Developer Edition (pl) | 139.0 | Firefox Developer Edition (pl) 139.0 | May 18, 2025 |
| Firefox Developer Edition (pt-BR) | 139.0 | Firefox Developer Edition (pt-BR) 139.0 | May 18, 2025 |
| Firefox Developer Edition (pt-PT) | 139.0 | Firefox Developer Edition (pt-PT) 139.0 | May 18, 2025 |
| Firefox Developer Edition (rm) | 139.0 | Firefox Developer Edition (rm) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ro) | 139.0 | Firefox Developer Edition (ro) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ru) | 139.0 | Firefox Developer Edition (ru) 139.0 | May 18, 2025 |
| Firefox Developer Edition (sc) | 139.0 | Firefox Developer Edition (sc) 139.0 | May 18, 2025 |
| Firefox Developer Edition (sco) | 139.0 | Firefox Developer Edition (sco) 139.0 | May 18, 2025 |
| Firefox Developer Edition (si) | 139.0 | Firefox Developer Edition (si) 139.0 | May 18, 2025 |
| Firefox Developer Edition (sk) | 139.0 | Firefox Developer Edition (sk) 139.0 | May 18, 2025 |
| Firefox Developer Edition (sl) | 139.0 | Firefox Developer Edition (sl) 139.0 | May 18, 2025 |
| Firefox Developer Edition (son) | 139.0 | Firefox Developer Edition (son) 139.0 | May 18, 2025 |
| Firefox Developer Edition (sq) | 139.0 | Firefox Developer Edition (sq) 139.0 | May 18, 2025 |
| Firefox Developer Edition (sr) | 139.0 | Firefox Developer Edition (sr) 139.0 | May 18, 2025 |
| Firefox Developer Edition (sv-SE) | 139.0 | Firefox Developer Edition (sv-SE) 139.0 | May 18, 2025 |
| Firefox Developer Edition (szl) | 139.0 | Firefox Developer Edition (szl) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ta) | 139.0 | Firefox Developer Edition (ta) 139.0 | May 18, 2025 |
| Firefox Developer Edition (te) | 139.0 | Firefox Developer Edition (te) 139.0 | May 18, 2025 |
| Firefox Developer Edition (tg) | 139.0 | Firefox Developer Edition (tg) 139.0 | May 18, 2025 |
| Firefox Developer Edition (th) | 139.0 | Firefox Developer Edition (th) 139.0 | May 18, 2025 |
| Firefox Developer Edition (tl) | 139.0 | Firefox Developer Edition (tl) 139.0 | May 18, 2025 |
| Firefox Developer Edition (tr) | 139.0 | Firefox Developer Edition (tr) 139.0 | May 18, 2025 |
| Firefox Developer Edition (trs) | 139.0 | Firefox Developer Edition (trs) 139.0 | May 18, 2025 |
| Firefox Developer Edition (uk) | 139.0 | Firefox Developer Edition (uk) 139.0 | May 18, 2025 |
| Firefox Developer Edition (ur) | 139.0 | Firefox Developer Edition (ur) 139.0 | May 18, 2025 |
| Firefox Developer Edition (uz) | 139.0 | Firefox Developer Edition (uz) 139.0 | May 18, 2025 |
| Firefox Developer Edition (vi) | 139.0 | Firefox Developer Edition (vi) 139.0 | May 18, 2025 |
| Firefox Developer Edition (xh) | 139.0 | Firefox Developer Edition (xh) 139.0 | May 18, 2025 |
| Firefox Developer Edition (zh-CN) | 139.0 | Firefox Developer Edition (zh-CN) 139.0 | May 18, 2025 |
| Firefox Developer Edition (zh-TW) | 139.0 | Firefox Developer Edition (zh-TW) 139.0 | May 18, 2025 |
| Mozilla Firefox (ach) | 139.0 | Mozilla Firefox (ach) 139.0 | May 27, 2025 |
| Mozilla Firefox (af) | 139.0 | Mozilla Firefox (af) 139.0 | May 27, 2025 |
| Mozilla Firefox (an) | 139.0 | Mozilla Firefox (an) 139.0 | May 27, 2025 |
| Mozilla Firefox (ar) | 139.0 | Mozilla Firefox (ar) 139.0 | May 27, 2025 |
| Mozilla Firefox (ast) | 139.0 | Mozilla Firefox (ast) 139.0 | May 27, 2025 |
| Mozilla Firefox (az) | 139.0 | Mozilla Firefox (az) 139.0 | May 27, 2025 |
| Mozilla Firefox (be) | 139.0 | Mozilla Firefox (be) 139.0 | May 27, 2025 |
| Mozilla Firefox (bg) | 139.0 | Mozilla Firefox (bg) 139.0 | May 27, 2025 |
| Mozilla Firefox (bn) | 139.0 | Mozilla Firefox (bn) 139.0 | May 27, 2025 |
| Mozilla Firefox (br) | 139.0 | Mozilla Firefox (br) 139.0 | May 27, 2025 |
| Mozilla Firefox (bs) | 139.0 | Mozilla Firefox (bs) 139.0 | May 27, 2025 |
| Mozilla Firefox (ca) | 139.0 | Mozilla Firefox (ca) 139.0 | May 27, 2025 |
| Mozilla Firefox (ca-valencia) | 139.0 | Mozilla Firefox (ca-valencia) 139.0 | May 27, 2025 |
| Mozilla Firefox (cak) | 139.0 | Mozilla Firefox (cak) 139.0 | May 27, 2025 |
| Mozilla Firefox (cs) | 139.0 | Mozilla Firefox (cs) 139.0 | May 27, 2025 |
| Mozilla Firefox (cy) | 139.0 | Mozilla Firefox (cy) 139.0 | May 27, 2025 |
| Mozilla Firefox (da) | 139.0 | Mozilla Firefox (da) 139.0 | May 27, 2025 |
| Mozilla Firefox (de) | 139.0 | Mozilla Firefox (de) 139.0 | May 27, 2025 |
| Mozilla Firefox (dsb) | 139.0 | Mozilla Firefox (dsb) 139.0 | May 27, 2025 |
| Mozilla Firefox (el) | 139.0 | Mozilla Firefox (el) 139.0 | May 27, 2025 |
| Mozilla Firefox (en-CA) | 139.0 | Mozilla Firefox (en-CA) 139.0 | May 27, 2025 |
| Mozilla Firefox (en-GB) | 139.0 | Mozilla Firefox (en-GB) 139.0 | May 27, 2025 |
| Mozilla Firefox (en-US) | 139.0 | Mozilla Firefox (en-US) 139.0 | May 27, 2025 |
| Mozilla Firefox (eo) | 139.0 | Mozilla Firefox (eo) 139.0 | May 27, 2025 |
| Mozilla Firefox (es-AR) | 139.0 | Mozilla Firefox (es-AR) 139.0 | May 27, 2025 |
| Mozilla Firefox (es-CL) | 139.0 | Mozilla Firefox (es-CL) 139.0 | May 27, 2025 |
| Mozilla Firefox (es-ES) | 139.0 | Mozilla Firefox (es-ES) 139.0 | May 27, 2025 |
| Mozilla Firefox (es-MX) | 139.0 | Mozilla Firefox (es-MX) 139.0 | May 27, 2025 |
| Mozilla Firefox (et) | 139.0 | Mozilla Firefox (et) 139.0 | May 27, 2025 |
| Mozilla Firefox (eu) | 139.0 | Mozilla Firefox (eu) 139.0 | May 27, 2025 |
| Mozilla Firefox (fa) | 139.0 | Mozilla Firefox (fa) 139.0 | May 27, 2025 |
| Mozilla Firefox (ff) | 139.0 | Mozilla Firefox (ff) 139.0 | May 27, 2025 |
| Mozilla Firefox (fi) | 139.0 | Mozilla Firefox (fi) 139.0 | May 27, 2025 |
| Mozilla Firefox (fr) | 139.0 | Mozilla Firefox (fr) 139.0 | May 27, 2025 |
| Mozilla Firefox (fur) | 139.0 | Mozilla Firefox (fur) 139.0 | May 27, 2025 |
| Mozilla Firefox (fy-NL) | 139.0 | Mozilla Firefox (fy-NL) 139.0 | May 27, 2025 |
| Mozilla Firefox (ga-IE) | 139.0 | Mozilla Firefox (ga-IE) 139.0 | May 27, 2025 |
| Mozilla Firefox (gd) | 139.0 | Mozilla Firefox (gd) 139.0 | May 27, 2025 |
| Mozilla Firefox (gl) | 139.0 | Mozilla Firefox (gl) 139.0 | May 27, 2025 |
| Mozilla Firefox (gn) | 139.0 | Mozilla Firefox (gn) 139.0 | May 27, 2025 |
| Mozilla Firefox (gu-IN) | 139.0 | Mozilla Firefox (gu-IN) 139.0 | May 27, 2025 |
| Mozilla Firefox (he) | 139.0 | Mozilla Firefox (he) 139.0 | May 27, 2025 |
| Mozilla Firefox (hi-IN) | 139.0 | Mozilla Firefox (hi-IN) 139.0 | May 27, 2025 |
| Mozilla Firefox (hr) | 139.0 | Mozilla Firefox (hr) 139.0 | May 27, 2025 |
| Mozilla Firefox (hsb) | 139.0 | Mozilla Firefox (hsb) 139.0 | May 27, 2025 |
| Mozilla Firefox (hu) | 139.0 | Mozilla Firefox (hu) 139.0 | May 27, 2025 |
| Mozilla Firefox (hy-AM) | 139.0 | Mozilla Firefox (hy-AM) 139.0 | May 27, 2025 |
| Mozilla Firefox (ia) | 139.0 | Mozilla Firefox (ia) 139.0 | May 27, 2025 |
| Mozilla Firefox (id) | 139.0 | Mozilla Firefox (id) 139.0 | May 27, 2025 |
| Mozilla Firefox (is) | 139.0 | Mozilla Firefox (is) 139.0 | May 27, 2025 |
| Mozilla Firefox (it) | 139.0 | Mozilla Firefox (it) 139.0 | May 27, 2025 |
| Mozilla Firefox (ja) | 139.0 | Mozilla Firefox (ja) 139.0 | May 27, 2025 |
| Mozilla Firefox (ka) | 139.0 | Mozilla Firefox (ka) 139.0 | May 27, 2025 |
| Mozilla Firefox (kab) | 139.0 | Mozilla Firefox (kab) 139.0 | May 27, 2025 |
| Mozilla Firefox (kk) | 139.0 | Mozilla Firefox (kk) 139.0 | May 27, 2025 |
| Mozilla Firefox (km) | 139.0 | Mozilla Firefox (km) 139.0 | May 27, 2025 |
| Mozilla Firefox (kn) | 139.0 | Mozilla Firefox (kn) 139.0 | May 27, 2025 |
| Mozilla Firefox (ko) | 139.0 | Mozilla Firefox (ko) 139.0 | May 27, 2025 |
| Mozilla Firefox (lij) | 139.0 | Mozilla Firefox (lij) 139.0 | May 27, 2025 |
| Mozilla Firefox (lt) | 139.0 | Mozilla Firefox (lt) 139.0 | May 27, 2025 |
| Mozilla Firefox (lv) | 139.0 | Mozilla Firefox (lv) 139.0 | May 27, 2025 |
| Mozilla Firefox (mk) | 139.0 | Mozilla Firefox (mk) 139.0 | May 27, 2025 |
| Mozilla Firefox (mr) | 139.0 | Mozilla Firefox (mr) 139.0 | May 27, 2025 |
| Mozilla Firefox (ms) | 139.0 | Mozilla Firefox (ms) 139.0 | May 27, 2025 |
| Mozilla Firefox (my) | 139.0 | Mozilla Firefox (my) 139.0 | May 27, 2025 |
| Mozilla Firefox (nb-NO) | 139.0 | Mozilla Firefox (nb-NO) 139.0 | May 27, 2025 |
| Mozilla Firefox (ne-NP) | 139.0 | Mozilla Firefox (ne-NP) 139.0 | May 27, 2025 |
| Mozilla Firefox (nl) | 139.0 | Mozilla Firefox (nl) 139.0 | May 27, 2025 |
| Mozilla Firefox (nn-NO) | 139.0 | Mozilla Firefox (nn-NO) 139.0 | May 27, 2025 |
| Mozilla Firefox (oc) | 139.0 | Mozilla Firefox (oc) 139.0 | May 27, 2025 |
| Mozilla Firefox (pa-IN) | 139.0 | Mozilla Firefox (pa-IN) 139.0 | May 27, 2025 |
| Mozilla Firefox (pl) | 139.0 | Mozilla Firefox (pl) 139.0 | May 27, 2025 |
| Mozilla Firefox (pt-BR) | 139.0 | Mozilla Firefox (pt-BR) 139.0 | May 27, 2025 |
| Mozilla Firefox (pt-PT) | 139.0 | Mozilla Firefox (pt-PT) 139.0 | May 27, 2025 |
| Mozilla Firefox (rm) | 139.0 | Mozilla Firefox (rm) 139.0 | May 27, 2025 |
| Mozilla Firefox (ro) | 139.0 | Mozilla Firefox (ro) 139.0 | May 27, 2025 |
| Mozilla Firefox (ru) | 139.0 | Mozilla Firefox (ru) 139.0 | May 27, 2025 |
| Mozilla Firefox (sc) | 139.0 | Mozilla Firefox (sc) 139.0 | May 27, 2025 |
| Mozilla Firefox (sco) | 139.0 | Mozilla Firefox (sco) 139.0 | May 27, 2025 |
| Mozilla Firefox (si) | 139.0 | Mozilla Firefox (si) 139.0 | May 27, 2025 |
| Mozilla Firefox (sk) | 139.0 | Mozilla Firefox (sk) 139.0 | May 27, 2025 |
| Mozilla Firefox (sl) | 139.0 | Mozilla Firefox (sl) 139.0 | May 27, 2025 |
| Mozilla Firefox (son) | 139.0 | Mozilla Firefox (son) 139.0 | May 27, 2025 |
| Mozilla Firefox (sq) | 139.0 | Mozilla Firefox (sq) 139.0 | May 27, 2025 |
| Mozilla Firefox (sr) | 139.0 | Mozilla Firefox (sr) 139.0 | May 27, 2025 |
| Mozilla Firefox (sv-SE) | 139.0 | Mozilla Firefox (sv-SE) 139.0 | May 27, 2025 |
| Mozilla Firefox (szl) | 139.0 | Mozilla Firefox (szl) 139.0 | May 27, 2025 |
| Mozilla Firefox (ta) | 139.0 | Mozilla Firefox (ta) 139.0 | May 27, 2025 |
| Mozilla Firefox (te) | 139.0 | Mozilla Firefox (te) 139.0 | May 27, 2025 |
| Mozilla Firefox (tg) | 139.0 | Mozilla Firefox (tg) 139.0 | May 27, 2025 |
| Mozilla Firefox (th) | 139.0 | Mozilla Firefox (th) 139.0 | May 27, 2025 |
| Mozilla Firefox (tl) | 139.0 | Mozilla Firefox (tl) 139.0 | May 27, 2025 |
| Mozilla Firefox (tr) | 139.0 | Mozilla Firefox (tr) 139.0 | May 27, 2025 |
| Mozilla Firefox (trs) | 139.0 | Mozilla Firefox (trs) 139.0 | May 27, 2025 |
| Mozilla Firefox (uk) | 139.0 | Mozilla Firefox (uk) 139.0 | May 27, 2025 |
| Mozilla Firefox (ur) | 139.0 | Mozilla Firefox (ur) 139.0 | May 27, 2025 |
| Mozilla Firefox (uz) | 139.0 | Mozilla Firefox (uz) 139.0 | May 27, 2025 |
| Mozilla Firefox (vi) | 139.0 | Mozilla Firefox (vi) 139.0 | May 27, 2025 |
| Mozilla Firefox (xh) | 139.0 | Mozilla Firefox (xh) 139.0 | May 27, 2025 |
| Mozilla Firefox (zh-CN) | 139.0 | Mozilla Firefox (zh-CN) 139.0 | May 27, 2025 |
| Mozilla Firefox (zh-TW) | 139.0 | Mozilla Firefox (zh-TW) 139.0 | May 27, 2025 |
| Mozilla Firefox ESR (ach) | 140.3.0 | Mozilla Firefox ESR (ach) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (af) | 140.3.0 | Mozilla Firefox ESR (af) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (an) | 140.3.0 | Mozilla Firefox ESR (an) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ar) | 140.3.0 | Mozilla Firefox ESR (ar) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ast) | 140.3.0 | Mozilla Firefox ESR (ast) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (az) | 140.3.0 | Mozilla Firefox ESR (az) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (be) | 140.3.0 | Mozilla Firefox ESR (be) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (bg) | 140.3.0 | Mozilla Firefox ESR (bg) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (bn) | 140.3.0 | Mozilla Firefox ESR (bn) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (br) | 140.3.0 | Mozilla Firefox ESR (br) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (bs) | 140.3.0 | Mozilla Firefox ESR (bs) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ca) | 140.3.0 | Mozilla Firefox ESR (ca) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ca-valencia) | 140.3.0 | Mozilla Firefox ESR (ca-valencia) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (cak) | 140.3.0 | Mozilla Firefox ESR (cak) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (cs) | 140.3.0 | Mozilla Firefox ESR (cs) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (cy) | 140.3.0 | Mozilla Firefox ESR (cy) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (da) | 140.3.0 | Mozilla Firefox ESR (da) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (de) | 140.3.0 | Mozilla Firefox ESR (de) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (dsb) | 140.3.0 | Mozilla Firefox ESR (dsb) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (el) | 140.3.0 | Mozilla Firefox ESR (el) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (en-CA) | 140.3.0 | Mozilla Firefox ESR (en-CA) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (en-GB) | 140.3.0 | Mozilla Firefox ESR (en-GB) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (en-US) | 140.3.0 | Mozilla Firefox ESR (en-US) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (eo) | 140.3.0 | Mozilla Firefox ESR (eo) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (es-AR) | 140.3.0 | Mozilla Firefox ESR (es-AR) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (es-CL) | 140.3.0 | Mozilla Firefox ESR (es-CL) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (es-ES) | 140.3.0 | Mozilla Firefox ESR (es-ES) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (es-MX) | 140.3.0 | Mozilla Firefox ESR (es-MX) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (et) | 140.3.0 | Mozilla Firefox ESR (et) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (eu) | 140.3.0 | Mozilla Firefox ESR (eu) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fa) | 140.3.0 | Mozilla Firefox ESR (fa) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ff) | 140.3.0 | Mozilla Firefox ESR (ff) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fi) | 140.3.0 | Mozilla Firefox ESR (fi) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fr) | 140.3.0 | Mozilla Firefox ESR (fr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fur) | 140.3.0 | Mozilla Firefox ESR (fur) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fy-NL) | 140.3.0 | Mozilla Firefox ESR (fy-NL) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ga-IE) | 140.3.0 | Mozilla Firefox ESR (ga-IE) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (gd) | 140.3.0 | Mozilla Firefox ESR (gd) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (gl) | 140.3.0 | Mozilla Firefox ESR (gl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (gn) | 140.3.0 | Mozilla Firefox ESR (gn) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (gu-IN) | 140.3.0 | Mozilla Firefox ESR (gu-IN) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (he) | 140.3.0 | Mozilla Firefox ESR (he) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hi-IN) | 140.3.0 | Mozilla Firefox ESR (hi-IN) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hr) | 140.3.0 | Mozilla Firefox ESR (hr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hsb) | 140.3.0 | Mozilla Firefox ESR (hsb) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hu) | 140.3.0 | Mozilla Firefox ESR (hu) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hy-AM) | 140.3.0 | Mozilla Firefox ESR (hy-AM) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ia) | 140.3.0 | Mozilla Firefox ESR (ia) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (id) | 140.3.0 | Mozilla Firefox ESR (id) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (is) | 140.3.0 | Mozilla Firefox ESR (is) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (it) | 140.3.0 | Mozilla Firefox ESR (it) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ja) | 140.3.0 | Mozilla Firefox ESR (ja) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ka) | 140.3.0 | Mozilla Firefox ESR (ka) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (kab) | 140.3.0 | Mozilla Firefox ESR (kab) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (kk) | 140.3.0 | Mozilla Firefox ESR (kk) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (km) | 140.3.0 | Mozilla Firefox ESR (km) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (kn) | 140.3.0 | Mozilla Firefox ESR (kn) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ko) | 140.3.0 | Mozilla Firefox ESR (ko) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (lij) | 140.3.0 | Mozilla Firefox ESR (lij) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (lt) | 140.3.0 | Mozilla Firefox ESR (lt) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (lv) | 140.3.0 | Mozilla Firefox ESR (lv) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (mk) | 140.3.0 | Mozilla Firefox ESR (mk) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (mr) | 140.3.0 | Mozilla Firefox ESR (mr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ms) | 140.3.0 | Mozilla Firefox ESR (ms) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (my) | 140.3.0 | Mozilla Firefox ESR (my) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (nb-NO) | 140.3.0 | Mozilla Firefox ESR (nb-NO) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ne-NP) | 140.3.0 | Mozilla Firefox ESR (ne-NP) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (nl) | 140.3.0 | Mozilla Firefox ESR (nl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (nn-NO) | 140.3.0 | Mozilla Firefox ESR (nn-NO) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (oc) | 140.3.0 | Mozilla Firefox ESR (oc) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (pa-IN) | 140.3.0 | Mozilla Firefox ESR (pa-IN) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (pl) | 140.3.0 | Mozilla Firefox ESR (pl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (pt-BR) | 140.3.0 | Mozilla Firefox ESR (pt-BR) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (pt-PT) | 140.3.0 | Mozilla Firefox ESR (pt-PT) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (rm) | 140.3.0 | Mozilla Firefox ESR (rm) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ro) | 140.3.0 | Mozilla Firefox ESR (ro) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ru) | 140.3.0 | Mozilla Firefox ESR (ru) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sat) | 140.13.0 | Mozilla Firefox ESR (sat) 140.13.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sc) | 140.3.0 | Mozilla Firefox ESR (sc) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sco) | 140.3.0 | Mozilla Firefox ESR (sco) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (si) | 140.3.0 | Mozilla Firefox ESR (si) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sk) | 140.3.0 | Mozilla Firefox ESR (sk) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sl) | 140.3.0 | Mozilla Firefox ESR (sl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (son) | 140.3.0 | Mozilla Firefox ESR (son) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sq) | 140.3.0 | Mozilla Firefox ESR (sq) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sr) | 140.3.0 | Mozilla Firefox ESR (sr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sv-SE) | 140.3.0 | Mozilla Firefox ESR (sv-SE) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (szl) | 140.3.0 | Mozilla Firefox ESR (szl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ta) | 140.3.0 | Mozilla Firefox ESR (ta) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (te) | 140.3.0 | Mozilla Firefox ESR (te) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (tg) | 140.3.0 | Mozilla Firefox ESR (tg) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (th) | 140.3.0 | Mozilla Firefox ESR (th) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (tl) | 140.3.0 | Mozilla Firefox ESR (tl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (tr) | 140.3.0 | Mozilla Firefox ESR (tr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (trs) | 140.3.0 | Mozilla Firefox ESR (trs) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (uk) | 140.3.0 | Mozilla Firefox ESR (uk) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ur) | 140.3.0 | Mozilla Firefox ESR (ur) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (uz) | 140.3.0 | Mozilla Firefox ESR (uz) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (vi) | 140.3.0 | Mozilla Firefox ESR (vi) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (xh) | 140.3.0 | Mozilla Firefox ESR (xh) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (zh-CN) | 140.3.0 | Mozilla Firefox ESR (zh-CN) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (zh-TW) | 140.3.0 | Mozilla Firefox ESR (zh-TW) 140.3.0 | Sep 16, 2025 |
| Mozilla Thunderbird (af) | 139.0 | Mozilla Thunderbird (af) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ar) | 139.0 | Mozilla Thunderbird (ar) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ast) | 139.0 | Mozilla Thunderbird (ast) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (be) | 139.0 | Mozilla Thunderbird (be) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (bg) | 139.0 | Mozilla Thunderbird (bg) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (br) | 139.0 | Mozilla Thunderbird (br) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ca) | 139.0 | Mozilla Thunderbird (ca) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (cak) | 139.0 | Mozilla Thunderbird (cak) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (cs) | 139.0 | Mozilla Thunderbird (cs) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (cy) | 139.0 | Mozilla Thunderbird (cy) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (da) | 139.0 | Mozilla Thunderbird (da) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (de) | 139.0 | Mozilla Thunderbird (de) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (dsb) | 139.0 | Mozilla Thunderbird (dsb) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (el) | 139.0 | Mozilla Thunderbird (el) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (en-CA) | 139.0 | Mozilla Thunderbird (en-CA) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (en-GB) | 139.0 | Mozilla Thunderbird (en-GB) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (en-US) | 139.0 | Mozilla Thunderbird (en-US) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (es-AR) | 139.0 | Mozilla Thunderbird (es-AR) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (es-ES) | 139.0 | Mozilla Thunderbird (es-ES) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (es-MX) | 139.0 | Mozilla Thunderbird (es-MX) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (et) | 139.0 | Mozilla Thunderbird (et) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (eu) | 139.0 | Mozilla Thunderbird (eu) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (fi) | 139.0 | Mozilla Thunderbird (fi) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (fr) | 139.0 | Mozilla Thunderbird (fr) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (fy-NL) | 139.0 | Mozilla Thunderbird (fy-NL) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ga-IE) | 139.0 | Mozilla Thunderbird (ga-IE) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (gd) | 139.0 | Mozilla Thunderbird (gd) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (gl) | 139.0 | Mozilla Thunderbird (gl) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (he) | 139.0 | Mozilla Thunderbird (he) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (hr) | 139.0 | Mozilla Thunderbird (hr) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (hsb) | 139.0 | Mozilla Thunderbird (hsb) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (hu) | 139.0 | Mozilla Thunderbird (hu) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (hy-AM) | 139.0 | Mozilla Thunderbird (hy-AM) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (id) | 139.0 | Mozilla Thunderbird (id) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (is) | 139.0 | Mozilla Thunderbird (is) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (it) | 139.0 | Mozilla Thunderbird (it) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ja) | 139.0 | Mozilla Thunderbird (ja) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ka) | 139.0 | Mozilla Thunderbird (ka) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (kab) | 139.0 | Mozilla Thunderbird (kab) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (kk) | 139.0 | Mozilla Thunderbird (kk) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ko) | 139.0 | Mozilla Thunderbird (ko) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (lt) | 139.0 | Mozilla Thunderbird (lt) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (lv) | 139.0 | Mozilla Thunderbird (lv) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ms) | 139.0 | Mozilla Thunderbird (ms) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (nb-NO) | 139.0 | Mozilla Thunderbird (nb-NO) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (nl) | 139.0 | Mozilla Thunderbird (nl) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (nn-NO) | 139.0 | Mozilla Thunderbird (nn-NO) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (pa-IN) | 139.0 | Mozilla Thunderbird (pa-IN) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (pl) | 139.0 | Mozilla Thunderbird (pl) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (pt-BR) | 139.0 | Mozilla Thunderbird (pt-BR) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (pt-PT) | 139.0 | Mozilla Thunderbird (pt-PT) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (rm) | 139.0 | Mozilla Thunderbird (rm) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ro) | 139.0 | Mozilla Thunderbird (ro) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (ru) | 139.0 | Mozilla Thunderbird (ru) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (sk) | 139.0 | Mozilla Thunderbird (sk) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (sl) | 139.0 | Mozilla Thunderbird (sl) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (sq) | 139.0 | Mozilla Thunderbird (sq) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (sr) | 139.0 | Mozilla Thunderbird (sr) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (sv-SE) | 139.0 | Mozilla Thunderbird (sv-SE) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (th) | 139.0 | Mozilla Thunderbird (th) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (tr) | 139.0 | Mozilla Thunderbird (tr) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (uk) | 139.0 | Mozilla Thunderbird (uk) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (uz) | 139.0 | Mozilla Thunderbird (uz) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (vi) | 139.0 | Mozilla Thunderbird (vi) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (zh-CN) | 139.0 | Mozilla Thunderbird (zh-CN) 139.0 | May 27, 2025 |
| Mozilla Thunderbird (zh-TW) | 139.0 | Mozilla Thunderbird (zh-TW) 139.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (af) | 128.11.0 | Mozilla Thunderbird ESR (af) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ar) | 128.11.0 | Mozilla Thunderbird ESR (ar) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ast) | 128.11.0 | Mozilla Thunderbird ESR (ast) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (be) | 128.11.0 | Mozilla Thunderbird ESR (be) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (bg) | 128.11.0 | Mozilla Thunderbird ESR (bg) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (br) | 128.11.0 | Mozilla Thunderbird ESR (br) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ca) | 128.11.0 | Mozilla Thunderbird ESR (ca) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (cak) | 128.11.0 | Mozilla Thunderbird ESR (cak) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (cs) | 128.11.0 | Mozilla Thunderbird ESR (cs) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (cy) | 128.11.0 | Mozilla Thunderbird ESR (cy) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (da) | 128.11.0 | Mozilla Thunderbird ESR (da) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (de) | 128.11.0 | Mozilla Thunderbird ESR (de) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (dsb) | 128.11.0 | Mozilla Thunderbird ESR (dsb) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (el) | 128.11.0 | Mozilla Thunderbird ESR (el) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (en-CA) | 128.11.0 | Mozilla Thunderbird ESR (en-CA) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (en-GB) | 128.11.0 | Mozilla Thunderbird ESR (en-GB) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (en-US) | 128.11.0 | Mozilla Thunderbird ESR (en-US) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (es-AR) | 128.11.0 | Mozilla Thunderbird ESR (es-AR) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (es-ES) | 128.11.0 | Mozilla Thunderbird ESR (es-ES) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (es-MX) | 128.11.0 | Mozilla Thunderbird ESR (es-MX) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (et) | 128.11.0 | Mozilla Thunderbird ESR (et) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (eu) | 128.11.0 | Mozilla Thunderbird ESR (eu) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (fi) | 128.11.0 | Mozilla Thunderbird ESR (fi) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (fr) | 128.11.0 | Mozilla Thunderbird ESR (fr) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (fy-NL) | 128.11.0 | Mozilla Thunderbird ESR (fy-NL) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ga-IE) | 128.11.0 | Mozilla Thunderbird ESR (ga-IE) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (gd) | 128.11.0 | Mozilla Thunderbird ESR (gd) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (gl) | 128.11.0 | Mozilla Thunderbird ESR (gl) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (he) | 128.11.0 | Mozilla Thunderbird ESR (he) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (hr) | 128.11.0 | Mozilla Thunderbird ESR (hr) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (hsb) | 128.11.0 | Mozilla Thunderbird ESR (hsb) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (hu) | 128.11.0 | Mozilla Thunderbird ESR (hu) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (hy-AM) | 128.11.0 | Mozilla Thunderbird ESR (hy-AM) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (id) | 128.11.0 | Mozilla Thunderbird ESR (id) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (is) | 128.11.0 | Mozilla Thunderbird ESR (is) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (it) | 128.11.0 | Mozilla Thunderbird ESR (it) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ja) | 128.11.0 | Mozilla Thunderbird ESR (ja) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ka) | 128.11.0 | Mozilla Thunderbird ESR (ka) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (kab) | 128.11.0 | Mozilla Thunderbird ESR (kab) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (kk) | 128.11.0 | Mozilla Thunderbird ESR (kk) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ko) | 128.11.0 | Mozilla Thunderbird ESR (ko) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (lt) | 128.11.0 | Mozilla Thunderbird ESR (lt) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (lv) | 128.11.0 | Mozilla Thunderbird ESR (lv) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ms) | 128.11.0 | Mozilla Thunderbird ESR (ms) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (nb-NO) | 128.11.0 | Mozilla Thunderbird ESR (nb-NO) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (nl) | 128.11.0 | Mozilla Thunderbird ESR (nl) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (nn-NO) | 128.11.0 | Mozilla Thunderbird ESR (nn-NO) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (pa-IN) | 128.11.0 | Mozilla Thunderbird ESR (pa-IN) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (pl) | 128.11.0 | Mozilla Thunderbird ESR (pl) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (pt-BR) | 128.11.0 | Mozilla Thunderbird ESR (pt-BR) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (pt-PT) | 128.11.0 | Mozilla Thunderbird ESR (pt-PT) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (rm) | 128.11.0 | Mozilla Thunderbird ESR (rm) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ro) | 128.11.0 | Mozilla Thunderbird ESR (ro) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (ru) | 128.11.0 | Mozilla Thunderbird ESR (ru) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (sk) | 128.11.0 | Mozilla Thunderbird ESR (sk) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (sl) | 128.11.0 | Mozilla Thunderbird ESR (sl) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (sq) | 128.11.0 | Mozilla Thunderbird ESR (sq) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (sr) | 128.11.0 | Mozilla Thunderbird ESR (sr) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (sv-SE) | 128.11.0 | Mozilla Thunderbird ESR (sv-SE) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (th) | 128.11.0 | Mozilla Thunderbird ESR (th) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (tr) | 128.11.0 | Mozilla Thunderbird ESR (tr) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (uk) | 128.11.0 | Mozilla Thunderbird ESR (uk) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (uz) | 128.11.0 | Mozilla Thunderbird ESR (uz) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (vi) | 128.11.0 | Mozilla Thunderbird ESR (vi) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (zh-CN) | 128.11.0 | Mozilla Thunderbird ESR (zh-CN) 128.11.0 | May 27, 2025 |
| Mozilla Thunderbird ESR (zh-TW) | 128.11.0 | Mozilla Thunderbird ESR (zh-TW) 128.11.0 | May 27, 2025 |
| Linux | |||
| MozillaFirefox · opensuse-leap 15.6 | 128.11.0-150200.152.185.1 | SUSE-SU-2025:01814-1 | Jun 4, 2025 |
| MozillaFirefox · sles 15.6 | 128.11.0-150200.152.185.1 | SUSE-SU-2025:01814-1 | Jun 4, 2025 |
| MozillaFirefox · sles 15.7 | 128.11.0-150200.152.185.1 | SUSE-SU-2025:01814-1 | Jun 4, 2025 |
| MozillaThunderbird · opensuse-leap 15.6 | 128.11.0-150200.8.221.1 | SUSE-SU-2025:01946-1 | Jun 13, 2025 |
| MozillaThunderbird · sles 15.6 | 128.11.0-150200.8.221.1 | SUSE-SU-2025:01946-1 | Jun 13, 2025 |
| MozillaThunderbird · sles 15.7 | 128.11.0-150200.8.221.1 | SUSE-SU-2025:01946-1 | Jun 13, 2025 |
| firefox · RHEL 10 | 128.11.0-1.el10_0 | RHSA-2025:8341 | May 27, 2025 |
| firefox · RHEL 8 | 0:128.11.0-1.el8_10 | RHSA-2025:8308 | May 29, 2025 |
| firefox · RHEL 9 | 0:128.11.0-1.el9_6 | RHSA-2025:8293 | May 29, 2025 |
| firefox · almalinux 10 | 128.11.0-1.el10_0 | ALSA-2025:8341 | Jun 2, 2025 |
| firefox · almalinux 8 | 128.11.0-1.el8_10.alma.1 | ALSA-2025:8308 | May 29, 2025 |
| firefox · almalinux 9 | 128.11.0-1.el9_6.alma.1 | ALSA-2025:8293 | May 29, 2025 |
| firefox · amzn 2023 | 128.11.0-1.amzn2023.0.2 | ALAS2023-2025-996 | Jun 4, 2025 |
| firefox · ol 10 | 0:128.11.0-1.0.1.el10_0 | ELSA-2025-8341 | Jun 27, 2025 |
| firefox · ol 8 | 0:128.11.0-1.0.1.el8_10 | ELSA-2025-8308 | May 29, 2025 |
| firefox · ol 9 | 0:128.11.0-1.0.1.el9_6 | ELSA-2025-8293 | May 29, 2025 |
| firefox · rocky 10 | 0:128.11.0-1.el10_0 | RLSA-2025:8341 | Oct 3, 2025 |
| firefox · rocky 8 | 0:128.11.0-1.el8_10 | RLSA-2025:8308 | Jul 29, 2025 |
| firefox · rocky 9 | 0:128.11.0-1.el9_6 | RLSA-2025:8293 | Oct 4, 2025 |
| firefox-debuginfo · amzn 2023 | 128.11.0-1.amzn2023.0.2 | ALAS2023-2025-996 | Jun 4, 2025 |
| firefox-debugsource · amzn 2023 | 128.11.0-1.amzn2023.0.2 | ALAS2023-2025-996 | Jun 4, 2025 |
| firefox-esr · Debian 12.15 (bookworm) | 128.11.0esr-1~deb12u1 | DEBIAN-CVE-2025-5268 | May 27, 2025 |
| firefox-esr · Debian 13.5 (trixie) | 128.11.0esr-1 | DEBIAN-CVE-2025-5268 | May 27, 2025 |
| firefox-esr · Debian 14 | 128.11.0esr-1 | DEBIAN-CVE-2025-5268 | May 27, 2025 |
| firefox-x11 · RHEL 9 | 0:128.11.0-1.el9_6 | RHSA-2025:8293 | May 29, 2025 |
| firefox-x11 · almalinux 9 | 128.11.0-1.el9_6.alma.1 | ALSA-2025:8293 | May 29, 2025 |
| firefox-x11 · ol 9 | 0:128.11.0-1.0.1.el9_6 | ELSA-2025-8293 | May 29, 2025 |
| mozjs128 · opensuse-leap 16.0 | 128.14.0-160000.1.1 | OPENSUSE-SU-2025:20135-1 | Dec 3, 2025 |
| mozjs128 · sles 16.0 | 128.14.0-160000.1.1 | SUSE-SU-2025:21170-1 | Dec 3, 2025 |
| thunderbird · Debian 12.15 (bookworm) | 1:128.11.0esr-1~deb12u1 | DEBIAN-CVE-2025-5268 | May 27, 2025 |
| thunderbird · Debian 13.5 (trixie) | 1:128.11.0esr-1 | DEBIAN-CVE-2025-5268 | May 27, 2025 |
| thunderbird · Debian 14 | 1:128.11.0esr-1 | DEBIAN-CVE-2025-5268 | May 27, 2025 |
| thunderbird · RHEL 10 | 128.11.0-1.el10_0 | RHSA-2025:8608 | May 27, 2025 |
| thunderbird · RHEL 8 | 0:128.11.0-1.el8_10 | RHSA-2025:8756 | Jun 10, 2025 |
| thunderbird · RHEL 9 | 0:128.11.0-1.el9_6 | RHSA-2025:8607 | Jun 5, 2025 |
| thunderbird · Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | thunderbird 1:128.12.0+build1-0ubuntu0.22.04.1 | Jun 24, 2025 |
| thunderbird · almalinux 10 | 128.11.0-1.el10_0.alma.1 | ALSA-2025:8608 | Jun 5, 2025 |
| thunderbird · almalinux 8 | 128.11.0-1.el8_10.alma.1 | ALSA-2025:8756 | Jun 10, 2025 |
| thunderbird · almalinux 9 | 128.11.0-1.el9_6.alma.1 | ALSA-2025:8607 | Jun 5, 2025 |
| thunderbird · ol 10 | 0:128.11.0-1.0.1.el10_0 | ELSA-2025-8608 | Jun 27, 2025 |
| thunderbird · ol 8 | 0:128.11.0-1.0.1.el8_10 | ELSA-2025-8756 | Jun 10, 2025 |
| thunderbird · ol 9 | 0:128.11.0-1.0.1.el9_6 | ELSA-2025-8607 | Jun 6, 2025 |
| thunderbird · rocky 10 | 0:128.11.0-1.el10_0 | RLSA-2025:8608 | Oct 3, 2025 |
| thunderbird · rocky 8 | 0:128.11.0-1.el8_10 | RLSA-2025:8756 | Jul 29, 2025 |
| thunderbird · rocky 9 | 0:128.11.0-1.el9_6 | RLSA-2025:8607 | Oct 4, 2025 |
| thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | thunderbird-gnome-support 1:128.12.0+build1-0ubuntu0.22.04.1 | Jun 24, 2025 |
| thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | thunderbird-mozsymbols 1:128.12.0+build1-0ubuntu0.22.04.1 | Jun 24, 2025 |
| xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | xul-ext-calendar-timezones 1:128.12.0+build1-0ubuntu0.22.04.1 | Jun 24, 2025 |
| xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | xul-ext-gdata-provider 1:128.12.0+build1-0ubuntu0.22.04.1 | Jun 24, 2025 |
| xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) | 1:128.12.0+build1-0ubuntu0.22.04.1 | xul-ext-lightning 1:128.12.0+build1-0ubuntu0.22.04.1 | Jun 24, 2025 |
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