CVE-2025-4919
Out-of-bounds access when optimizing linear sums
CVE-2025-4919 is fixed in 449 products on 2 platforms, first by Mozilla Firefox (ach) 138.0.4, released May 17, 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
0.0912
95th percentile
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.
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) | 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) | 138.0.4 | Mozilla Firefox (an) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ar) | 138.0.4 | Mozilla Firefox (ar) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ast) | 138.0.4 | Mozilla Firefox (ast) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (az) | 138.0.4 | Mozilla Firefox (az) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (be) | 138.0.4 | Mozilla Firefox (be) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (bg) | 138.0.4 | Mozilla Firefox (bg) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (bn) | 138.0.4 | Mozilla Firefox (bn) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (br) | 138.0.4 | Mozilla Firefox (br) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (bs) | 138.0.4 | Mozilla Firefox (bs) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ca) | 138.0.4 | Mozilla Firefox (ca) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ca-valencia) | 138.0.4 | Mozilla Firefox (ca-valencia) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (cak) | 138.0.4 | Mozilla Firefox (cak) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (cs) | 138.0.4 | Mozilla Firefox (cs) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (cy) | 138.0.4 | Mozilla Firefox (cy) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (da) | 138.0.4 | Mozilla Firefox (da) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (de) | 138.0.4 | Mozilla Firefox (de) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (dsb) | 138.0.4 | Mozilla Firefox (dsb) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (el) | 138.0.4 | Mozilla Firefox (el) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (en-CA) | 138.0.4 | Mozilla Firefox (en-CA) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (en-GB) | 138.0.4 | Mozilla Firefox (en-GB) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (en-US) | 138.0.4 | Mozilla Firefox (en-US) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (eo) | 138.0.4 | Mozilla Firefox (eo) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (es-AR) | 138.0.4 | Mozilla Firefox (es-AR) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (es-CL) | 138.0.4 | Mozilla Firefox (es-CL) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (es-ES) | 138.0.4 | Mozilla Firefox (es-ES) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (es-MX) | 138.0.4 | Mozilla Firefox (es-MX) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (et) | 138.0.4 | Mozilla Firefox (et) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (eu) | 138.0.4 | Mozilla Firefox (eu) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (fa) | 138.0.4 | Mozilla Firefox (fa) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ff) | 138.0.4 | Mozilla Firefox (ff) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (fi) | 138.0.4 | Mozilla Firefox (fi) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (fr) | 138.0.4 | Mozilla Firefox (fr) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (fur) | 138.0.4 | Mozilla Firefox (fur) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (fy-NL) | 138.0.4 | Mozilla Firefox (fy-NL) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ga-IE) | 138.0.4 | Mozilla Firefox (ga-IE) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (gd) | 138.0.4 | Mozilla Firefox (gd) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (gl) | 138.0.4 | Mozilla Firefox (gl) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (gn) | 138.0.4 | Mozilla Firefox (gn) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (gu-IN) | 138.0.4 | Mozilla Firefox (gu-IN) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (he) | 138.0.4 | Mozilla Firefox (he) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (hi-IN) | 138.0.4 | Mozilla Firefox (hi-IN) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (hr) | 138.0.4 | Mozilla Firefox (hr) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (hsb) | 138.0.4 | Mozilla Firefox (hsb) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (hu) | 138.0.4 | Mozilla Firefox (hu) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (hy-AM) | 138.0.4 | Mozilla Firefox (hy-AM) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ia) | 138.0.4 | Mozilla Firefox (ia) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (id) | 138.0.4 | Mozilla Firefox (id) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (is) | 138.0.4 | Mozilla Firefox (is) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (it) | 138.0.4 | Mozilla Firefox (it) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ja) | 138.0.4 | Mozilla Firefox (ja) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ka) | 138.0.4 | Mozilla Firefox (ka) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (kab) | 138.0.4 | Mozilla Firefox (kab) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (kk) | 138.0.4 | Mozilla Firefox (kk) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (km) | 138.0.4 | Mozilla Firefox (km) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (kn) | 138.0.4 | Mozilla Firefox (kn) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ko) | 138.0.4 | Mozilla Firefox (ko) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (lij) | 138.0.4 | Mozilla Firefox (lij) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (lt) | 138.0.4 | Mozilla Firefox (lt) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (lv) | 138.0.4 | Mozilla Firefox (lv) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (mk) | 138.0.4 | Mozilla Firefox (mk) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (mr) | 138.0.4 | Mozilla Firefox (mr) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ms) | 138.0.4 | Mozilla Firefox (ms) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (my) | 138.0.4 | Mozilla Firefox (my) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (nb-NO) | 138.0.4 | Mozilla Firefox (nb-NO) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ne-NP) | 138.0.4 | Mozilla Firefox (ne-NP) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (nl) | 138.0.4 | Mozilla Firefox (nl) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (nn-NO) | 138.0.4 | Mozilla Firefox (nn-NO) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (oc) | 138.0.4 | Mozilla Firefox (oc) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (pa-IN) | 138.0.4 | Mozilla Firefox (pa-IN) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (pl) | 138.0.4 | Mozilla Firefox (pl) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (pt-BR) | 138.0.4 | Mozilla Firefox (pt-BR) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (pt-PT) | 138.0.4 | Mozilla Firefox (pt-PT) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (rm) | 138.0.4 | Mozilla Firefox (rm) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ro) | 138.0.4 | Mozilla Firefox (ro) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ru) | 138.0.4 | Mozilla Firefox (ru) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (sc) | 138.0.4 | Mozilla Firefox (sc) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (sco) | 138.0.4 | Mozilla Firefox (sco) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (si) | 138.0.4 | Mozilla Firefox (si) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (sk) | 138.0.4 | Mozilla Firefox (sk) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (sl) | 138.0.4 | Mozilla Firefox (sl) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (son) | 138.0.4 | Mozilla Firefox (son) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (sq) | 138.0.4 | Mozilla Firefox (sq) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (sr) | 138.0.4 | Mozilla Firefox (sr) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (sv-SE) | 138.0.4 | Mozilla Firefox (sv-SE) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (szl) | 138.0.4 | Mozilla Firefox (szl) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ta) | 138.0.4 | Mozilla Firefox (ta) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (te) | 138.0.4 | Mozilla Firefox (te) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (tg) | 138.0.4 | Mozilla Firefox (tg) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (th) | 138.0.4 | Mozilla Firefox (th) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (tl) | 138.0.4 | Mozilla Firefox (tl) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (tr) | 138.0.4 | Mozilla Firefox (tr) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (trs) | 138.0.4 | Mozilla Firefox (trs) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (uk) | 138.0.4 | Mozilla Firefox (uk) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (ur) | 138.0.4 | Mozilla Firefox (ur) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (uz) | 138.0.4 | Mozilla Firefox (uz) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (vi) | 138.0.4 | Mozilla Firefox (vi) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (xh) | 138.0.4 | Mozilla Firefox (xh) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (zh-CN) | 138.0.4 | Mozilla Firefox (zh-CN) 138.0.4 | May 17, 2025 |
| Mozilla Firefox (zh-TW) | 138.0.4 | Mozilla Firefox (zh-TW) 138.0.4 | May 17, 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) | 138.0.2 | Mozilla Thunderbird (af) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ar) | 138.0.2 | Mozilla Thunderbird (ar) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ast) | 138.0.2 | Mozilla Thunderbird (ast) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (be) | 138.0.2 | Mozilla Thunderbird (be) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (bg) | 138.0.2 | Mozilla Thunderbird (bg) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (br) | 138.0.2 | Mozilla Thunderbird (br) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ca) | 138.0.2 | Mozilla Thunderbird (ca) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (cak) | 138.0.2 | Mozilla Thunderbird (cak) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (cs) | 138.0.2 | Mozilla Thunderbird (cs) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (cy) | 138.0.2 | Mozilla Thunderbird (cy) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (da) | 138.0.2 | Mozilla Thunderbird (da) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (de) | 138.0.2 | Mozilla Thunderbird (de) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (dsb) | 138.0.2 | Mozilla Thunderbird (dsb) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (el) | 138.0.2 | Mozilla Thunderbird (el) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (en-CA) | 138.0.2 | Mozilla Thunderbird (en-CA) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (en-GB) | 138.0.2 | Mozilla Thunderbird (en-GB) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (en-US) | 138.0.2 | Mozilla Thunderbird (en-US) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (es-AR) | 138.0.2 | Mozilla Thunderbird (es-AR) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (es-ES) | 138.0.2 | Mozilla Thunderbird (es-ES) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (es-MX) | 138.0.2 | Mozilla Thunderbird (es-MX) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (et) | 138.0.2 | Mozilla Thunderbird (et) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (eu) | 138.0.2 | Mozilla Thunderbird (eu) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (fi) | 138.0.2 | Mozilla Thunderbird (fi) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (fr) | 138.0.2 | Mozilla Thunderbird (fr) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (fy-NL) | 138.0.2 | Mozilla Thunderbird (fy-NL) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ga-IE) | 138.0.2 | Mozilla Thunderbird (ga-IE) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (gd) | 138.0.2 | Mozilla Thunderbird (gd) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (gl) | 138.0.2 | Mozilla Thunderbird (gl) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (he) | 138.0.2 | Mozilla Thunderbird (he) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (hr) | 138.0.2 | Mozilla Thunderbird (hr) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (hsb) | 138.0.2 | Mozilla Thunderbird (hsb) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (hu) | 138.0.2 | Mozilla Thunderbird (hu) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (hy-AM) | 138.0.2 | Mozilla Thunderbird (hy-AM) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (id) | 138.0.2 | Mozilla Thunderbird (id) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (is) | 138.0.2 | Mozilla Thunderbird (is) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (it) | 138.0.2 | Mozilla Thunderbird (it) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ja) | 138.0.2 | Mozilla Thunderbird (ja) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ka) | 138.0.2 | Mozilla Thunderbird (ka) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (kab) | 138.0.2 | Mozilla Thunderbird (kab) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (kk) | 138.0.2 | Mozilla Thunderbird (kk) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ko) | 138.0.2 | Mozilla Thunderbird (ko) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (lt) | 138.0.2 | Mozilla Thunderbird (lt) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (lv) | 138.0.2 | Mozilla Thunderbird (lv) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ms) | 138.0.2 | Mozilla Thunderbird (ms) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (nb-NO) | 138.0.2 | Mozilla Thunderbird (nb-NO) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (nl) | 138.0.2 | Mozilla Thunderbird (nl) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (nn-NO) | 138.0.2 | Mozilla Thunderbird (nn-NO) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (pa-IN) | 138.0.2 | Mozilla Thunderbird (pa-IN) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (pl) | 138.0.2 | Mozilla Thunderbird (pl) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (pt-BR) | 138.0.2 | Mozilla Thunderbird (pt-BR) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (pt-PT) | 138.0.2 | Mozilla Thunderbird (pt-PT) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (rm) | 138.0.2 | Mozilla Thunderbird (rm) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ro) | 138.0.2 | Mozilla Thunderbird (ro) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (ru) | 138.0.2 | Mozilla Thunderbird (ru) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (sk) | 138.0.2 | Mozilla Thunderbird (sk) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (sl) | 138.0.2 | Mozilla Thunderbird (sl) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (sq) | 138.0.2 | Mozilla Thunderbird (sq) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (sr) | 138.0.2 | Mozilla Thunderbird (sr) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (sv-SE) | 138.0.2 | Mozilla Thunderbird (sv-SE) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (th) | 138.0.2 | Mozilla Thunderbird (th) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (tr) | 138.0.2 | Mozilla Thunderbird (tr) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (uk) | 138.0.2 | Mozilla Thunderbird (uk) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (uz) | 138.0.2 | Mozilla Thunderbird (uz) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (vi) | 138.0.2 | Mozilla Thunderbird (vi) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (zh-CN) | 138.0.2 | Mozilla Thunderbird (zh-CN) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird (zh-TW) | 138.0.2 | Mozilla Thunderbird (zh-TW) 138.0.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (af) | 128.10.2 | Mozilla Thunderbird ESR (af) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ar) | 128.10.2 | Mozilla Thunderbird ESR (ar) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ast) | 128.10.2 | Mozilla Thunderbird ESR (ast) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (be) | 128.10.2 | Mozilla Thunderbird ESR (be) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (bg) | 128.10.2 | Mozilla Thunderbird ESR (bg) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (br) | 128.10.2 | Mozilla Thunderbird ESR (br) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ca) | 128.10.2 | Mozilla Thunderbird ESR (ca) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (cak) | 128.10.2 | Mozilla Thunderbird ESR (cak) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (cs) | 128.10.2 | Mozilla Thunderbird ESR (cs) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (cy) | 128.10.2 | Mozilla Thunderbird ESR (cy) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (da) | 128.10.2 | Mozilla Thunderbird ESR (da) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (de) | 128.10.2 | Mozilla Thunderbird ESR (de) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (dsb) | 128.10.2 | Mozilla Thunderbird ESR (dsb) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (el) | 128.10.2 | Mozilla Thunderbird ESR (el) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (en-CA) | 128.10.2 | Mozilla Thunderbird ESR (en-CA) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (en-GB) | 128.10.2 | Mozilla Thunderbird ESR (en-GB) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (en-US) | 128.10.2 | Mozilla Thunderbird ESR (en-US) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (es-AR) | 128.10.2 | Mozilla Thunderbird ESR (es-AR) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (es-ES) | 128.10.2 | Mozilla Thunderbird ESR (es-ES) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (es-MX) | 128.10.2 | Mozilla Thunderbird ESR (es-MX) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (et) | 128.10.2 | Mozilla Thunderbird ESR (et) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (eu) | 128.10.2 | Mozilla Thunderbird ESR (eu) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (fi) | 128.10.2 | Mozilla Thunderbird ESR (fi) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (fr) | 128.10.2 | Mozilla Thunderbird ESR (fr) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (fy-NL) | 128.10.2 | Mozilla Thunderbird ESR (fy-NL) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ga-IE) | 128.10.2 | Mozilla Thunderbird ESR (ga-IE) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (gd) | 128.10.2 | Mozilla Thunderbird ESR (gd) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (gl) | 128.10.2 | Mozilla Thunderbird ESR (gl) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (he) | 128.10.2 | Mozilla Thunderbird ESR (he) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (hr) | 128.10.2 | Mozilla Thunderbird ESR (hr) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (hsb) | 128.10.2 | Mozilla Thunderbird ESR (hsb) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (hu) | 128.10.2 | Mozilla Thunderbird ESR (hu) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (hy-AM) | 128.10.2 | Mozilla Thunderbird ESR (hy-AM) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (id) | 128.10.2 | Mozilla Thunderbird ESR (id) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (is) | 128.10.2 | Mozilla Thunderbird ESR (is) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (it) | 128.10.2 | Mozilla Thunderbird ESR (it) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ja) | 128.10.2 | Mozilla Thunderbird ESR (ja) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ka) | 128.10.2 | Mozilla Thunderbird ESR (ka) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (kab) | 128.10.2 | Mozilla Thunderbird ESR (kab) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (kk) | 128.10.2 | Mozilla Thunderbird ESR (kk) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ko) | 128.10.2 | Mozilla Thunderbird ESR (ko) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (lt) | 128.10.2 | Mozilla Thunderbird ESR (lt) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (lv) | 128.10.2 | Mozilla Thunderbird ESR (lv) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ms) | 128.10.2 | Mozilla Thunderbird ESR (ms) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (nb-NO) | 128.10.2 | Mozilla Thunderbird ESR (nb-NO) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (nl) | 128.10.2 | Mozilla Thunderbird ESR (nl) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (nn-NO) | 128.10.2 | Mozilla Thunderbird ESR (nn-NO) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (pa-IN) | 128.10.2 | Mozilla Thunderbird ESR (pa-IN) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (pl) | 128.10.2 | Mozilla Thunderbird ESR (pl) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (pt-BR) | 128.10.2 | Mozilla Thunderbird ESR (pt-BR) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (pt-PT) | 128.10.2 | Mozilla Thunderbird ESR (pt-PT) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (rm) | 128.10.2 | Mozilla Thunderbird ESR (rm) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ro) | 128.10.2 | Mozilla Thunderbird ESR (ro) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (ru) | 128.10.2 | Mozilla Thunderbird ESR (ru) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (sk) | 128.10.2 | Mozilla Thunderbird ESR (sk) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (sl) | 128.10.2 | Mozilla Thunderbird ESR (sl) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (sq) | 128.10.2 | Mozilla Thunderbird ESR (sq) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (sr) | 128.10.2 | Mozilla Thunderbird ESR (sr) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (sv-SE) | 128.10.2 | Mozilla Thunderbird ESR (sv-SE) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (th) | 128.10.2 | Mozilla Thunderbird ESR (th) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (tr) | 128.10.2 | Mozilla Thunderbird ESR (tr) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (uk) | 128.10.2 | Mozilla Thunderbird ESR (uk) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (uz) | 128.10.2 | Mozilla Thunderbird ESR (uz) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (vi) | 128.10.2 | Mozilla Thunderbird ESR (vi) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (zh-CN) | 128.10.2 | Mozilla Thunderbird ESR (zh-CN) 128.10.2 | May 20, 2025 |
| Mozilla Thunderbird ESR (zh-TW) | 128.10.2 | Mozilla Thunderbird ESR (zh-TW) 128.10.2 | May 20, 2025 |
| Linux | |||
| MozillaFirefox · opensuse-leap 15.6 | 128.10.1-150200.152.182.1 | SUSE-SU-2025:01701-1 | May 24, 2025 |
| MozillaFirefox · sles 15.6 | 128.10.1-150200.152.182.1 | SUSE-SU-2025:01701-1 | May 24, 2025 |
| MozillaThunderbird · opensuse-leap 15.6 | 128.10.2-150200.8.218.1 | SUSE-SU-2025:01813-1 | Jun 4, 2025 |
| MozillaThunderbird · sles 15.6 | 128.10.2-150200.8.218.1 | SUSE-SU-2025:01813-1 | Jun 4, 2025 |
| MozillaThunderbird · sles 15.7 | 128.10.2-150200.8.218.1 | SUSE-SU-2025:01813-1 | Jun 4, 2025 |
| firefox · RHEL 10 | 128.10.1-1.el10_0 | RHSA-2025:8125 | May 17, 2025 |
| firefox · RHEL 8 | 0:128.10.1-1.el8_10 | RHSA-2025:8060 | May 21, 2025 |
| firefox · RHEL 9 | 0:128.10.1-1.el9_6 | RHSA-2025:8049 | May 20, 2025 |
| firefox · almalinux 10 | 128.10.1-1.el10_0 | ALSA-2025:8125 | May 26, 2025 |
| firefox · almalinux 8 | 128.10.1-1.el8_10.alma.1 | ALSA-2025:8060 | May 21, 2025 |
| firefox · almalinux 9 | 128.10.1-1.el9_6.alma.1 | ALSA-2025:8049 | May 20, 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-2025-8125 | Jun 30, 2025 |
| firefox · ol 8 | 0:128.10.1-1.el8_10 | ELSA-2025-8060 | May 21, 2025 |
| firefox · ol 9 | 0:128.10.1-1.0.1.el9_6 | ELSA-2025-8049 | May 22, 2025 |
| firefox · rocky 10 | 0:128.10.1-1.el10_0 | RLSA-2025:8125 | Oct 3, 2025 |
| firefox · rocky 8 | 0:128.10.1-1.el8_10 | RLSA-2025:8060 | Jul 29, 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) | 128.10.1esr-1~deb12u1 | DEBIAN-CVE-2025-4919 | May 17, 2025 |
| firefox-esr · Debian 13.5 (trixie) | 128.10.1esr-1 | DEBIAN-CVE-2025-4919 | May 17, 2025 |
| firefox-esr · Debian 14 | 128.10.1esr-1 | DEBIAN-CVE-2025-4919 | May 17, 2025 |
| firefox-x11 · RHEL 9 | 0:128.10.1-1.el9_6 | RHSA-2025:8049 | May 20, 2025 |
| firefox-x11 · almalinux 9 | 128.10.1-1.el9_6.alma.1 | ALSA-2025:8049 | May 20, 2025 |
| firefox-x11 · ol 9 | 0:128.10.1-1.0.1.el9_6 | ELSA-2025-8049 | May 22, 2025 |
| thunderbird · Debian 12.15 (bookworm) | 1:128.11.0esr-1~deb12u1 | DEBIAN-CVE-2025-4919 | May 17, 2025 |
| thunderbird · Debian 13.5 (trixie) | 1:128.11.0esr-1 | DEBIAN-CVE-2025-4919 | May 17, 2025 |
| thunderbird · Debian 14 | 1:128.11.0esr-1 | DEBIAN-CVE-2025-4919 | May 17, 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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