Script element events leaked cross-origin resource status
CVE-2025-5266 is fixed in 318 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.
Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. 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 |
| 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-2025-5266 | May 27, 2025 |
| firefox-esr · Debian 13.5 (trixie) | 128.11.0esr-1 | DEBIAN-CVE-2025-5266 | May 27, 2025 |
| firefox-esr · Debian 14 | 128.11.0esr-1 | DEBIAN-CVE-2025-5266 | 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-2025-5266 | May 27, 2025 |
| thunderbird · Debian 13.5 (trixie) | 1:128.11.0esr-1 | DEBIAN-CVE-2025-5266 | May 27, 2025 |
| thunderbird · Debian 14 | 1:128.11.0esr-1 | DEBIAN-CVE-2025-5266 | 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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