CVE-2025-4091
Memory safety bugs fixed in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10
CVE-2025-4091 is fixed in 449 products on 2 platforms, first by Firefox Developer Edition (ach) 138.0, released April 18, 2025. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
8.8
Medium
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 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Firefox Developer Edition (ach) | 138.0 | Firefox Developer Edition (ach) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (af) | 138.0 | Firefox Developer Edition (af) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (an) | 138.0 | Firefox Developer Edition (an) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ar) | 138.0 | Firefox Developer Edition (ar) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ast) | 138.0 | Firefox Developer Edition (ast) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (az) | 138.0 | Firefox Developer Edition (az) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (be) | 138.0 | Firefox Developer Edition (be) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (bg) | 138.0 | Firefox Developer Edition (bg) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (bn) | 138.0 | Firefox Developer Edition (bn) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (br) | 138.0 | Firefox Developer Edition (br) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (bs) | 138.0 | Firefox Developer Edition (bs) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ca) | 138.0 | Firefox Developer Edition (ca) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ca-valencia) | 138.0 | Firefox Developer Edition (ca-valencia) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (cak) | 138.0 | Firefox Developer Edition (cak) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (cs) | 138.0 | Firefox Developer Edition (cs) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (cy) | 138.0 | Firefox Developer Edition (cy) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (da) | 138.0 | Firefox Developer Edition (da) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (de) | 138.0 | Firefox Developer Edition (de) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (dsb) | 138.0 | Firefox Developer Edition (dsb) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (el) | 138.0 | Firefox Developer Edition (el) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (en-CA) | 138.0 | Firefox Developer Edition (en-CA) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (en-GB) | 138.0 | Firefox Developer Edition (en-GB) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (en-US) | 138.0 | Firefox Developer Edition (en-US) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (eo) | 138.0 | Firefox Developer Edition (eo) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (es-AR) | 138.0 | Firefox Developer Edition (es-AR) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (es-CL) | 138.0 | Firefox Developer Edition (es-CL) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (es-ES) | 138.0 | Firefox Developer Edition (es-ES) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (es-MX) | 138.0 | Firefox Developer Edition (es-MX) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (et) | 138.0 | Firefox Developer Edition (et) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (eu) | 138.0 | Firefox Developer Edition (eu) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (fa) | 138.0 | Firefox Developer Edition (fa) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ff) | 138.0 | Firefox Developer Edition (ff) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (fi) | 138.0 | Firefox Developer Edition (fi) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (fr) | 138.0 | Firefox Developer Edition (fr) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (fur) | 138.0 | Firefox Developer Edition (fur) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (fy-NL) | 138.0 | Firefox Developer Edition (fy-NL) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ga-IE) | 138.0 | Firefox Developer Edition (ga-IE) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (gd) | 138.0 | Firefox Developer Edition (gd) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (gl) | 138.0 | Firefox Developer Edition (gl) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (gn) | 138.0 | Firefox Developer Edition (gn) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (gu-IN) | 138.0 | Firefox Developer Edition (gu-IN) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (he) | 138.0 | Firefox Developer Edition (he) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (hi-IN) | 138.0 | Firefox Developer Edition (hi-IN) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (hr) | 138.0 | Firefox Developer Edition (hr) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (hsb) | 138.0 | Firefox Developer Edition (hsb) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (hu) | 138.0 | Firefox Developer Edition (hu) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (hy-AM) | 138.0 | Firefox Developer Edition (hy-AM) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ia) | 138.0 | Firefox Developer Edition (ia) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (id) | 138.0 | Firefox Developer Edition (id) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (is) | 138.0 | Firefox Developer Edition (is) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (it) | 138.0 | Firefox Developer Edition (it) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ja) | 138.0 | Firefox Developer Edition (ja) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ka) | 138.0 | Firefox Developer Edition (ka) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (kab) | 138.0 | Firefox Developer Edition (kab) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (kk) | 138.0 | Firefox Developer Edition (kk) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (km) | 138.0 | Firefox Developer Edition (km) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (kn) | 138.0 | Firefox Developer Edition (kn) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ko) | 138.0 | Firefox Developer Edition (ko) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (lij) | 138.0 | Firefox Developer Edition (lij) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (lt) | 138.0 | Firefox Developer Edition (lt) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (lv) | 138.0 | Firefox Developer Edition (lv) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (mk) | 138.0 | Firefox Developer Edition (mk) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (mr) | 138.0 | Firefox Developer Edition (mr) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ms) | 138.0 | Firefox Developer Edition (ms) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (my) | 138.0 | Firefox Developer Edition (my) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (nb-NO) | 138.0 | Firefox Developer Edition (nb-NO) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ne-NP) | 138.0 | Firefox Developer Edition (ne-NP) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (nl) | 138.0 | Firefox Developer Edition (nl) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (nn-NO) | 138.0 | Firefox Developer Edition (nn-NO) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (oc) | 138.0 | Firefox Developer Edition (oc) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (pa-IN) | 138.0 | Firefox Developer Edition (pa-IN) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (pl) | 138.0 | Firefox Developer Edition (pl) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (pt-BR) | 138.0 | Firefox Developer Edition (pt-BR) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (pt-PT) | 138.0 | Firefox Developer Edition (pt-PT) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (rm) | 138.0 | Firefox Developer Edition (rm) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ro) | 138.0 | Firefox Developer Edition (ro) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ru) | 138.0 | Firefox Developer Edition (ru) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (sc) | 138.0 | Firefox Developer Edition (sc) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (sco) | 138.0 | Firefox Developer Edition (sco) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (si) | 138.0 | Firefox Developer Edition (si) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (sk) | 138.0 | Firefox Developer Edition (sk) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (sl) | 138.0 | Firefox Developer Edition (sl) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (son) | 138.0 | Firefox Developer Edition (son) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (sq) | 138.0 | Firefox Developer Edition (sq) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (sr) | 138.0 | Firefox Developer Edition (sr) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (sv-SE) | 138.0 | Firefox Developer Edition (sv-SE) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (szl) | 138.0 | Firefox Developer Edition (szl) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ta) | 138.0 | Firefox Developer Edition (ta) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (te) | 138.0 | Firefox Developer Edition (te) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (tg) | 138.0 | Firefox Developer Edition (tg) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (th) | 138.0 | Firefox Developer Edition (th) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (tl) | 138.0 | Firefox Developer Edition (tl) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (tr) | 138.0 | Firefox Developer Edition (tr) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (trs) | 138.0 | Firefox Developer Edition (trs) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (uk) | 138.0 | Firefox Developer Edition (uk) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (ur) | 138.0 | Firefox Developer Edition (ur) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (uz) | 138.0 | Firefox Developer Edition (uz) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (vi) | 138.0 | Firefox Developer Edition (vi) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (xh) | 138.0 | Firefox Developer Edition (xh) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (zh-CN) | 138.0 | Firefox Developer Edition (zh-CN) 138.0 | Apr 18, 2025 |
| Firefox Developer Edition (zh-TW) | 138.0 | Firefox Developer Edition (zh-TW) 138.0 | Apr 18, 2025 |
| Mozilla Firefox (ach) | 138.0.4 | Mozilla Firefox (ach) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (af) | 138.0.4 | Mozilla Firefox (af) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (an) | 138.0 | Mozilla Firefox (an) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ar) | 138.0 | Mozilla Firefox (ar) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ast) | 138.0 | Mozilla Firefox (ast) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (az) | 138.0 | Mozilla Firefox (az) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (be) | 138.0 | Mozilla Firefox (be) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (bg) | 138.0 | Mozilla Firefox (bg) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (bn) | 138.0 | Mozilla Firefox (bn) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (br) | 138.0 | Mozilla Firefox (br) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (bs) | 138.0 | Mozilla Firefox (bs) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ca) | 138.0 | Mozilla Firefox (ca) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ca-valencia) | 138.0 | Mozilla Firefox (ca-valencia) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (cak) | 138.0 | Mozilla Firefox (cak) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (cs) | 138.0 | Mozilla Firefox (cs) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (cy) | 138.0 | Mozilla Firefox (cy) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (da) | 138.0 | Mozilla Firefox (da) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (de) | 138.0 | Mozilla Firefox (de) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (dsb) | 138.0 | Mozilla Firefox (dsb) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (el) | 138.0 | Mozilla Firefox (el) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (en-CA) | 138.0 | Mozilla Firefox (en-CA) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (en-GB) | 138.0 | Mozilla Firefox (en-GB) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (en-US) | 138.0 | Mozilla Firefox (en-US) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (eo) | 138.0 | Mozilla Firefox (eo) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (es-AR) | 138.0 | Mozilla Firefox (es-AR) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (es-CL) | 138.0 | Mozilla Firefox (es-CL) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (es-ES) | 138.0 | Mozilla Firefox (es-ES) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (es-MX) | 138.0 | Mozilla Firefox (es-MX) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (et) | 138.0 | Mozilla Firefox (et) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (eu) | 138.0 | Mozilla Firefox (eu) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (fa) | 138.0 | Mozilla Firefox (fa) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ff) | 138.0 | Mozilla Firefox (ff) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (fi) | 138.0 | Mozilla Firefox (fi) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (fr) | 138.0 | Mozilla Firefox (fr) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (fur) | 138.0 | Mozilla Firefox (fur) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (fy-NL) | 138.0 | Mozilla Firefox (fy-NL) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ga-IE) | 138.0 | Mozilla Firefox (ga-IE) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (gd) | 138.0 | Mozilla Firefox (gd) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (gl) | 138.0 | Mozilla Firefox (gl) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (gn) | 138.0 | Mozilla Firefox (gn) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (gu-IN) | 138.0 | Mozilla Firefox (gu-IN) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (he) | 138.0 | Mozilla Firefox (he) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (hi-IN) | 138.0 | Mozilla Firefox (hi-IN) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (hr) | 138.0 | Mozilla Firefox (hr) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (hsb) | 138.0 | Mozilla Firefox (hsb) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (hu) | 138.0 | Mozilla Firefox (hu) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (hy-AM) | 138.0 | Mozilla Firefox (hy-AM) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ia) | 138.0 | Mozilla Firefox (ia) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (id) | 138.0 | Mozilla Firefox (id) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (is) | 138.0 | Mozilla Firefox (is) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (it) | 138.0 | Mozilla Firefox (it) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ja) | 138.0 | Mozilla Firefox (ja) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ka) | 138.0 | Mozilla Firefox (ka) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (kab) | 138.0 | Mozilla Firefox (kab) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (kk) | 138.0 | Mozilla Firefox (kk) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (km) | 138.0 | Mozilla Firefox (km) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (kn) | 138.0 | Mozilla Firefox (kn) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ko) | 138.0 | Mozilla Firefox (ko) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (lij) | 138.0 | Mozilla Firefox (lij) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (lt) | 138.0 | Mozilla Firefox (lt) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (lv) | 138.0 | Mozilla Firefox (lv) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (mk) | 138.0 | Mozilla Firefox (mk) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (mr) | 138.0 | Mozilla Firefox (mr) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ms) | 138.0 | Mozilla Firefox (ms) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (my) | 138.0 | Mozilla Firefox (my) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (nb-NO) | 138.0 | Mozilla Firefox (nb-NO) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ne-NP) | 138.0 | Mozilla Firefox (ne-NP) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (nl) | 138.0 | Mozilla Firefox (nl) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (nn-NO) | 138.0 | Mozilla Firefox (nn-NO) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (oc) | 138.0 | Mozilla Firefox (oc) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (pa-IN) | 138.0 | Mozilla Firefox (pa-IN) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (pl) | 138.0 | Mozilla Firefox (pl) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (pt-BR) | 138.0 | Mozilla Firefox (pt-BR) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (pt-PT) | 138.0 | Mozilla Firefox (pt-PT) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (rm) | 138.0 | Mozilla Firefox (rm) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ro) | 138.0 | Mozilla Firefox (ro) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ru) | 138.0 | Mozilla Firefox (ru) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (sc) | 138.0 | Mozilla Firefox (sc) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (sco) | 138.0 | Mozilla Firefox (sco) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (si) | 138.0 | Mozilla Firefox (si) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (sk) | 138.0 | Mozilla Firefox (sk) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (sl) | 138.0 | Mozilla Firefox (sl) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (son) | 138.0.4 | Mozilla Firefox (son) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (sq) | 138.0 | Mozilla Firefox (sq) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (sr) | 138.0 | Mozilla Firefox (sr) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (sv-SE) | 138.0 | Mozilla Firefox (sv-SE) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (szl) | 138.0 | Mozilla Firefox (szl) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ta) | 138.0 | Mozilla Firefox (ta) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (te) | 138.0 | Mozilla Firefox (te) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (tg) | 138.0 | Mozilla Firefox (tg) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (th) | 138.0 | Mozilla Firefox (th) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (tl) | 138.0 | Mozilla Firefox (tl) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (tr) | 138.0 | Mozilla Firefox (tr) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (trs) | 138.0 | Mozilla Firefox (trs) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (uk) | 138.0 | Mozilla Firefox (uk) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (ur) | 138.0 | Mozilla Firefox (ur) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (uz) | 138.0 | Mozilla Firefox (uz) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (vi) | 138.0 | Mozilla Firefox (vi) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (xh) | 138.0 | Mozilla Firefox (xh) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (zh-CN) | 138.0 | Mozilla Firefox (zh-CN) 138.0 | Apr 29, 2025 |
| Mozilla Firefox (zh-TW) | 138.0 | Mozilla Firefox (zh-TW) 138.0 | Apr 29, 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) | 138.0 | Mozilla Thunderbird (af) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ar) | 138.0 | Mozilla Thunderbird (ar) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ast) | 138.0 | Mozilla Thunderbird (ast) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (be) | 138.0 | Mozilla Thunderbird (be) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (bg) | 138.0 | Mozilla Thunderbird (bg) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (br) | 138.0 | Mozilla Thunderbird (br) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ca) | 138.0 | Mozilla Thunderbird (ca) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (cak) | 138.0 | Mozilla Thunderbird (cak) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (cs) | 138.0 | Mozilla Thunderbird (cs) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (cy) | 138.0 | Mozilla Thunderbird (cy) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (da) | 138.0 | Mozilla Thunderbird (da) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (de) | 138.0 | Mozilla Thunderbird (de) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (dsb) | 138.0 | Mozilla Thunderbird (dsb) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (el) | 138.0 | Mozilla Thunderbird (el) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (en-CA) | 138.0 | Mozilla Thunderbird (en-CA) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (en-GB) | 138.0 | Mozilla Thunderbird (en-GB) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (en-US) | 138.0 | Mozilla Thunderbird (en-US) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (es-AR) | 138.0 | Mozilla Thunderbird (es-AR) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (es-ES) | 138.0 | Mozilla Thunderbird (es-ES) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (es-MX) | 138.0 | Mozilla Thunderbird (es-MX) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (et) | 138.0 | Mozilla Thunderbird (et) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (eu) | 138.0 | Mozilla Thunderbird (eu) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (fi) | 138.0 | Mozilla Thunderbird (fi) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (fr) | 138.0 | Mozilla Thunderbird (fr) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (fy-NL) | 138.0 | Mozilla Thunderbird (fy-NL) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ga-IE) | 138.0 | Mozilla Thunderbird (ga-IE) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (gd) | 138.0 | Mozilla Thunderbird (gd) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (gl) | 138.0 | Mozilla Thunderbird (gl) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (he) | 138.0 | Mozilla Thunderbird (he) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (hr) | 138.0 | Mozilla Thunderbird (hr) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (hsb) | 138.0 | Mozilla Thunderbird (hsb) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (hu) | 138.0 | Mozilla Thunderbird (hu) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (hy-AM) | 138.0 | Mozilla Thunderbird (hy-AM) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (id) | 138.0 | Mozilla Thunderbird (id) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (is) | 138.0 | Mozilla Thunderbird (is) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (it) | 138.0 | Mozilla Thunderbird (it) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ja) | 138.0 | Mozilla Thunderbird (ja) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ka) | 138.0 | Mozilla Thunderbird (ka) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (kab) | 138.0 | Mozilla Thunderbird (kab) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (kk) | 138.0 | Mozilla Thunderbird (kk) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ko) | 138.0 | Mozilla Thunderbird (ko) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (lt) | 138.0 | Mozilla Thunderbird (lt) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (lv) | 138.0 | Mozilla Thunderbird (lv) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ms) | 138.0 | Mozilla Thunderbird (ms) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (nb-NO) | 138.0 | Mozilla Thunderbird (nb-NO) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (nl) | 138.0 | Mozilla Thunderbird (nl) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (nn-NO) | 138.0 | Mozilla Thunderbird (nn-NO) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (pa-IN) | 138.0 | Mozilla Thunderbird (pa-IN) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (pl) | 138.0 | Mozilla Thunderbird (pl) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (pt-BR) | 138.0 | Mozilla Thunderbird (pt-BR) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (pt-PT) | 138.0 | Mozilla Thunderbird (pt-PT) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (rm) | 138.0 | Mozilla Thunderbird (rm) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ro) | 138.0 | Mozilla Thunderbird (ro) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (ru) | 138.0 | Mozilla Thunderbird (ru) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (sk) | 138.0 | Mozilla Thunderbird (sk) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (sl) | 138.0 | Mozilla Thunderbird (sl) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (sq) | 138.0 | Mozilla Thunderbird (sq) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (sr) | 138.0 | Mozilla Thunderbird (sr) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (sv-SE) | 138.0 | Mozilla Thunderbird (sv-SE) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (th) | 138.0 | Mozilla Thunderbird (th) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (tr) | 138.0 | Mozilla Thunderbird (tr) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (uk) | 138.0 | Mozilla Thunderbird (uk) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (uz) | 138.0 | Mozilla Thunderbird (uz) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (vi) | 138.0 | Mozilla Thunderbird (vi) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (zh-CN) | 138.0 | Mozilla Thunderbird (zh-CN) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird (zh-TW) | 138.0 | Mozilla Thunderbird (zh-TW) 138.0 | Apr 29, 2025 |
| Mozilla Thunderbird ESR (af) | 140.1.1 | Mozilla Thunderbird ESR (af) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ar) | 140.1.1 | Mozilla Thunderbird ESR (ar) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ast) | 140.1.1 | Mozilla Thunderbird ESR (ast) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (be) | 140.1.1 | Mozilla Thunderbird ESR (be) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (bg) | 140.1.1 | Mozilla Thunderbird ESR (bg) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (br) | 140.1.1 | Mozilla Thunderbird ESR (br) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ca) | 140.1.1 | Mozilla Thunderbird ESR (ca) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (cak) | 140.1.1 | Mozilla Thunderbird ESR (cak) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (cs) | 140.1.1 | Mozilla Thunderbird ESR (cs) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (cy) | 140.1.1 | Mozilla Thunderbird ESR (cy) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (da) | 140.1.1 | Mozilla Thunderbird ESR (da) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (de) | 140.1.1 | Mozilla Thunderbird ESR (de) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (dsb) | 140.1.1 | Mozilla Thunderbird ESR (dsb) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (el) | 140.1.1 | Mozilla Thunderbird ESR (el) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (en-CA) | 140.1.1 | Mozilla Thunderbird ESR (en-CA) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (en-GB) | 140.1.1 | Mozilla Thunderbird ESR (en-GB) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (en-US) | 140.1.1 | Mozilla Thunderbird ESR (en-US) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (es-AR) | 140.1.1 | Mozilla Thunderbird ESR (es-AR) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (es-ES) | 140.1.1 | Mozilla Thunderbird ESR (es-ES) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (es-MX) | 140.1.1 | Mozilla Thunderbird ESR (es-MX) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (et) | 140.1.1 | Mozilla Thunderbird ESR (et) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (eu) | 140.1.1 | Mozilla Thunderbird ESR (eu) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (fi) | 140.1.1 | Mozilla Thunderbird ESR (fi) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (fr) | 140.1.1 | Mozilla Thunderbird ESR (fr) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (fy-NL) | 140.1.1 | Mozilla Thunderbird ESR (fy-NL) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ga-IE) | 140.1.1 | Mozilla Thunderbird ESR (ga-IE) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (gd) | 140.1.1 | Mozilla Thunderbird ESR (gd) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (gl) | 140.1.1 | Mozilla Thunderbird ESR (gl) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (he) | 140.1.1 | Mozilla Thunderbird ESR (he) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (hr) | 140.1.1 | Mozilla Thunderbird ESR (hr) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (hsb) | 140.1.1 | Mozilla Thunderbird ESR (hsb) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (hu) | 140.1.1 | Mozilla Thunderbird ESR (hu) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (hy-AM) | 140.1.1 | Mozilla Thunderbird ESR (hy-AM) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (id) | 140.1.1 | Mozilla Thunderbird ESR (id) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (is) | 140.1.1 | Mozilla Thunderbird ESR (is) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (it) | 140.1.1 | Mozilla Thunderbird ESR (it) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ja) | 140.1.1 | Mozilla Thunderbird ESR (ja) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ka) | 140.1.1 | Mozilla Thunderbird ESR (ka) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (kab) | 140.1.1 | Mozilla Thunderbird ESR (kab) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (kk) | 140.1.1 | Mozilla Thunderbird ESR (kk) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ko) | 140.1.1 | Mozilla Thunderbird ESR (ko) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (lt) | 140.1.1 | Mozilla Thunderbird ESR (lt) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (lv) | 140.1.1 | Mozilla Thunderbird ESR (lv) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ms) | 140.1.1 | Mozilla Thunderbird ESR (ms) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (nb-NO) | 140.1.1 | Mozilla Thunderbird ESR (nb-NO) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (nl) | 140.1.1 | Mozilla Thunderbird ESR (nl) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (nn-NO) | 140.1.1 | Mozilla Thunderbird ESR (nn-NO) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (pa-IN) | 140.1.1 | Mozilla Thunderbird ESR (pa-IN) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (pl) | 140.1.1 | Mozilla Thunderbird ESR (pl) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (pt-BR) | 140.1.1 | Mozilla Thunderbird ESR (pt-BR) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (pt-PT) | 140.1.1 | Mozilla Thunderbird ESR (pt-PT) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (rm) | 140.1.1 | Mozilla Thunderbird ESR (rm) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ro) | 140.1.1 | Mozilla Thunderbird ESR (ro) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (ru) | 140.1.1 | Mozilla Thunderbird ESR (ru) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (sk) | 140.1.1 | Mozilla Thunderbird ESR (sk) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (sl) | 140.1.1 | Mozilla Thunderbird ESR (sl) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (sq) | 140.1.1 | Mozilla Thunderbird ESR (sq) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (sr) | 140.1.1 | Mozilla Thunderbird ESR (sr) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (sv-SE) | 140.1.1 | Mozilla Thunderbird ESR (sv-SE) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (th) | 140.1.1 | Mozilla Thunderbird ESR (th) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (tr) | 140.1.1 | Mozilla Thunderbird ESR (tr) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (uk) | 140.1.1 | Mozilla Thunderbird ESR (uk) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (uz) | 140.1.1 | Mozilla Thunderbird ESR (uz) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (vi) | 140.1.1 | Mozilla Thunderbird ESR (vi) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (zh-CN) | 140.1.1 | Mozilla Thunderbird ESR (zh-CN) 140.1.1 | Aug 5, 2025 |
| Mozilla Thunderbird ESR (zh-TW) | 140.1.1 | Mozilla Thunderbird ESR (zh-TW) 140.1.1 | Aug 5, 2025 |
| Linux | |||
| MozillaFirefox · opensuse-leap 15.6 | 128.10.0-150200.152.179.1 | SUSE-SU-2025:1436-1 | May 2, 2025 |
| MozillaFirefox · sles 15.6 | 128.10.0-150200.152.179.1 | SUSE-SU-2025:1436-1 | May 2, 2025 |
| MozillaThunderbird · opensuse-leap 15.6 | 128.10.0-150200.8.212.1 | SUSE-SU-2025:1506-1 | May 7, 2025 |
| MozillaThunderbird · sles 15.6 | 128.10.0-150200.8.212.1 | SUSE-SU-2025:1506-1 | May 7, 2025 |
| firefox · RHEL 10 | 128.10.0-1.el10_0 | RHSA-2025:7506 | Apr 29, 2025 |
| firefox · RHEL 8 | 0:128.10.0-1.el8_10 | RHSA-2025:4458 | May 5, 2025 |
| firefox · RHEL 9 | 0:128.10.0-1.el9_6 | RHSA-2025:7428 | May 13, 2025 |
| firefox · almalinux 10 | 128.10.0-1.el10_0 | ALSA-2025:7506 | May 13, 2025 |
| firefox · almalinux 8 | 128.10.0-1.el8_10.alma.1 | ALSA-2025:4458 | May 5, 2025 |
| firefox · almalinux 9 | 128.10.0-1.el9_6.alma.1 | ALSA-2025:7428 | May 13, 2025 |
| firefox · amzn 2023 | 128.10.0-1.amzn2023.0.2 | ALAS2023-2025-976 | May 21, 2025 |
| firefox · ol 10 | 0:128.11.0-1.0.1.el10_0 | ELSA-2025-7506 | Jun 30, 2025 |
| firefox · ol 8 | 0:128.10.0-1.0.1.el8_10 | ELSA-2025-4458 | May 6, 2025 |
| firefox · ol 9 | 0:128.10.0-1.0.1.el9_5 | ELSA-2025-4443 | May 5, 2025 |
| firefox · rocky 8 | 0:128.10.0-1.el8_10 | RLSA-2025:4458 | Jul 29, 2025 |
| firefox · rocky 9 | 0:128.10.0-1.el9_5 | RLSA-2025:7428 | Jul 29, 2025 |
| firefox-debuginfo · amzn 2023 | 128.10.0-1.amzn2023.0.2 | ALAS2023-2025-976 | May 21, 2025 |
| firefox-debugsource · amzn 2023 | 128.10.0-1.amzn2023.0.2 | ALAS2023-2025-976 | May 21, 2025 |
| firefox-esr · Debian 12.15 (bookworm) | 128.10.0esr-1~deb12u1 | DEBIAN-CVE-2025-4091 | Apr 29, 2025 |
| firefox-esr · Debian 13.5 (trixie) | 128.10.0esr-1 | DEBIAN-CVE-2025-4091 | Apr 29, 2025 |
| firefox-esr · Debian 14 | 128.10.0esr-1 | DEBIAN-CVE-2025-4091 | Apr 29, 2025 |
| firefox-x11 · RHEL 9 | 0:128.10.0-1.el9_6 | RHSA-2025:7428 | May 13, 2025 |
| firefox-x11 · almalinux 9 | 128.10.0-1.el9_6.alma.1 | ALSA-2025:7428 | May 13, 2025 |
| firefox-x11 · ol 9 | 0:128.10.0-1.0.1.el9_5 | ELSA-2025-4443 | May 5, 2025 |
| thunderbird · Debian 12.15 (bookworm) | 1:128.10.0esr-1~deb12u1 | DEBIAN-CVE-2025-4091 | Apr 29, 2025 |
| thunderbird · Debian 13.5 (trixie) | 1:128.10.0esr-1 | DEBIAN-CVE-2025-4091 | Apr 29, 2025 |
| thunderbird · Debian 14 | 1:128.10.0esr-1 | DEBIAN-CVE-2025-4091 | Apr 29, 2025 |
| thunderbird · RHEL 10 | 128.10.0-1.el10_0 | RHSA-2025:7507 | Apr 29, 2025 |
| thunderbird · RHEL 8 | 0:128.10.0-1.el8_10 | RHSA-2025:4797 | May 12, 2025 |
| thunderbird · RHEL 9 | 0:128.10.0-1.el9_5 | RHSA-2025:4460 | May 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 | 128.10.0-1.el10_0.alma.1 | ALSA-2025:7507 | May 13, 2025 |
| thunderbird · almalinux 8 | 128.10.0-1.el8_10.alma.1 | ALSA-2025:4797 | May 12, 2025 |
| thunderbird · almalinux 9 | 128.10.0-1.el9_5.alma.1 | ALSA-2025:4460 | May 5, 2025 |
| thunderbird · ol 10 | 0:128.11.0-1.0.1.el10_0 | ELSA-2025-7507 | Jun 30, 2025 |
| thunderbird · ol 8 | 0:128.10.0-1.0.1.el8_10 | ELSA-2025-4797 | May 12, 2025 |
| thunderbird · ol 9 | 0:128.10.0-1.0.1.el9_5 | ELSA-2025-4460 | May 5, 2025 |
| thunderbird · rocky 8 | 0:128.10.0-1.el8_10 | RLSA-2025:4797 | Jul 29, 2025 |
| thunderbird · rocky 9 | 0:128.10.0-1.el9_5 | RLSA-2025:4460 | Jul 29, 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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