CVE-2026-12299
JIT miscompilation in the DOM: Core & HTML component
CVE-2026-12299 is fixed in 346 products on 3 platforms, first by Mozilla Thunderbird 152.0, released June 11, 2026. 100 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 3 platforms
CVSS
7.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0031
23rd percentile
JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Firefox Developer Edition (en-US) | 156.0 | Firefox Developer Edition (en-US) 156.0 | Sep 2, 2026 |
| Mozilla Firefox (ach) | 152.0 | Mozilla Firefox (ach) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (af) | 152.0 | Mozilla Firefox (af) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (an) | 152.0 | Mozilla Firefox (an) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ar) | 152.0 | Mozilla Firefox (ar) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ast) | 152.0 | Mozilla Firefox (ast) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (az) | 152.0 | Mozilla Firefox (az) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (be) | 152.0 | Mozilla Firefox (be) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (bg) | 152.0 | Mozilla Firefox (bg) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (bn) | 152.0 | Mozilla Firefox (bn) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (br) | 152.0 | Mozilla Firefox (br) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (bs) | 152.0 | Mozilla Firefox (bs) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ca) | 152.0 | Mozilla Firefox (ca) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ca-valencia) | 152.0 | Mozilla Firefox (ca-valencia) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (cak) | 152.0 | Mozilla Firefox (cak) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (cs) | 152.0 | Mozilla Firefox (cs) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (cy) | 152.0 | Mozilla Firefox (cy) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (da) | 152.0 | Mozilla Firefox (da) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (de) | 152.0 | Mozilla Firefox (de) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (dsb) | 152.0 | Mozilla Firefox (dsb) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (el) | 152.0 | Mozilla Firefox (el) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (en-CA) | 152.0 | Mozilla Firefox (en-CA) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (en-GB) | 152.0 | Mozilla Firefox (en-GB) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (en-US) | 152.0 | Mozilla Firefox (en-US) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (eo) | 152.0 | Mozilla Firefox (eo) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (es-AR) | 152.0 | Mozilla Firefox (es-AR) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (es-CL) | 152.0 | Mozilla Firefox (es-CL) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (es-ES) | 152.0 | Mozilla Firefox (es-ES) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (es-MX) | 152.0 | Mozilla Firefox (es-MX) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (et) | 152.0 | Mozilla Firefox (et) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (eu) | 152.0 | Mozilla Firefox (eu) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (fa) | 152.0 | Mozilla Firefox (fa) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ff) | 152.0 | Mozilla Firefox (ff) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (fi) | 152.0 | Mozilla Firefox (fi) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (fr) | 152.0 | Mozilla Firefox (fr) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (fur) | 152.0 | Mozilla Firefox (fur) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (fy-NL) | 152.0 | Mozilla Firefox (fy-NL) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ga-IE) | 152.0 | Mozilla Firefox (ga-IE) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (gd) | 152.0 | Mozilla Firefox (gd) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (gl) | 152.0 | Mozilla Firefox (gl) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (gn) | 152.0 | Mozilla Firefox (gn) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (gu-IN) | 152.0 | Mozilla Firefox (gu-IN) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (he) | 152.0 | Mozilla Firefox (he) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (hi-IN) | 152.0 | Mozilla Firefox (hi-IN) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (hr) | 152.0 | Mozilla Firefox (hr) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (hsb) | 152.0 | Mozilla Firefox (hsb) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (hu) | 152.0 | Mozilla Firefox (hu) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (hy-AM) | 152.0 | Mozilla Firefox (hy-AM) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ia) | 152.0 | Mozilla Firefox (ia) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (id) | 152.0 | Mozilla Firefox (id) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (is) | 152.0 | Mozilla Firefox (is) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (it) | 152.0 | Mozilla Firefox (it) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ja) | 152.0 | Mozilla Firefox (ja) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ka) | 152.0 | Mozilla Firefox (ka) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (kab) | 152.0 | Mozilla Firefox (kab) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (kk) | 152.0 | Mozilla Firefox (kk) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (km) | 152.0 | Mozilla Firefox (km) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (kn) | 152.0 | Mozilla Firefox (kn) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ko) | 152.0 | Mozilla Firefox (ko) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (lij) | 152.0 | Mozilla Firefox (lij) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (lt) | 152.0 | Mozilla Firefox (lt) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (lv) | 152.0 | Mozilla Firefox (lv) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (mk) | 152.0 | Mozilla Firefox (mk) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (mr) | 152.0 | Mozilla Firefox (mr) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ms) | 152.0 | Mozilla Firefox (ms) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (my) | 152.0 | Mozilla Firefox (my) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (nb-NO) | 152.0 | Mozilla Firefox (nb-NO) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ne-NP) | 152.0 | Mozilla Firefox (ne-NP) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (nl) | 152.0 | Mozilla Firefox (nl) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (nn-NO) | 152.0 | Mozilla Firefox (nn-NO) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (oc) | 152.0 | Mozilla Firefox (oc) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (pa-IN) | 152.0 | Mozilla Firefox (pa-IN) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (pl) | 152.0 | Mozilla Firefox (pl) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (pt-BR) | 152.0 | Mozilla Firefox (pt-BR) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (pt-PT) | 152.0 | Mozilla Firefox (pt-PT) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (rm) | 152.0 | Mozilla Firefox (rm) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ro) | 152.0 | Mozilla Firefox (ro) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ru) | 152.0 | Mozilla Firefox (ru) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (sc) | 152.0 | Mozilla Firefox (sc) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (sco) | 152.0 | Mozilla Firefox (sco) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (si) | 152.0 | Mozilla Firefox (si) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (sk) | 152.0 | Mozilla Firefox (sk) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (sl) | 152.0 | Mozilla Firefox (sl) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (son) | 152.0 | Mozilla Firefox (son) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (sq) | 152.0 | Mozilla Firefox (sq) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (sr) | 152.0 | Mozilla Firefox (sr) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (sv-SE) | 152.0 | Mozilla Firefox (sv-SE) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (szl) | 152.0 | Mozilla Firefox (szl) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ta) | 152.0 | Mozilla Firefox (ta) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (te) | 152.0 | Mozilla Firefox (te) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (tg) | 152.0 | Mozilla Firefox (tg) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (th) | 152.0 | Mozilla Firefox (th) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (tl) | 152.0 | Mozilla Firefox (tl) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (tr) | 152.0 | Mozilla Firefox (tr) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (trs) | 152.0 | Mozilla Firefox (trs) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (uk) | 152.0 | Mozilla Firefox (uk) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (ur) | 152.0 | Mozilla Firefox (ur) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (uz) | 152.0 | Mozilla Firefox (uz) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (vi) | 152.0 | Mozilla Firefox (vi) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (xh) | 152.0 | Mozilla Firefox (xh) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (zh-CN) | 152.0 | Mozilla Firefox (zh-CN) 152.0 | Jun 16, 2026 |
| Mozilla Firefox (zh-TW) | 152.0 | Mozilla Firefox (zh-TW) 152.0 | Jun 16, 2026 |
| Mozilla Firefox ESR (ach) | 153.0.0 | Mozilla Firefox ESR (ach) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (af) | 153.0.0 | Mozilla Firefox ESR (af) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (an) | 153.0.0 | Mozilla Firefox ESR (an) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ar) | 153.0.0 | Mozilla Firefox ESR (ar) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ast) | 153.0.0 | Mozilla Firefox ESR (ast) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (az) | 153.0.0 | Mozilla Firefox ESR (az) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (be) | 153.0.0 | Mozilla Firefox ESR (be) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (bg) | 153.0.0 | Mozilla Firefox ESR (bg) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (bn) | 153.0.0 | Mozilla Firefox ESR (bn) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (br) | 153.0.0 | Mozilla Firefox ESR (br) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (bs) | 153.0.0 | Mozilla Firefox ESR (bs) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ca) | 153.0.0 | Mozilla Firefox ESR (ca) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ca-valencia) | 153.0.0 | Mozilla Firefox ESR (ca-valencia) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (cak) | 153.0.0 | Mozilla Firefox ESR (cak) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (cs) | 153.0.0 | Mozilla Firefox ESR (cs) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (cy) | 153.0.0 | Mozilla Firefox ESR (cy) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (da) | 153.0.0 | Mozilla Firefox ESR (da) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (de) | 153.0.0 | Mozilla Firefox ESR (de) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (dsb) | 153.0.0 | Mozilla Firefox ESR (dsb) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (el) | 153.0.0 | Mozilla Firefox ESR (el) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (en-CA) | 153.0.0 | Mozilla Firefox ESR (en-CA) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (en-GB) | 153.0.0 | Mozilla Firefox ESR (en-GB) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (en-US) | 153.0.0 | Mozilla Firefox ESR (en-US) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (eo) | 153.0.0 | Mozilla Firefox ESR (eo) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (es-AR) | 153.0.0 | Mozilla Firefox ESR (es-AR) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (es-CL) | 153.0.0 | Mozilla Firefox ESR (es-CL) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (es-ES) | 153.0.0 | Mozilla Firefox ESR (es-ES) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (es-MX) | 153.0.0 | Mozilla Firefox ESR (es-MX) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (et) | 153.0.0 | Mozilla Firefox ESR (et) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (eu) | 153.0.0 | Mozilla Firefox ESR (eu) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fa) | 153.0.0 | Mozilla Firefox ESR (fa) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ff) | 153.0.0 | Mozilla Firefox ESR (ff) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fi) | 153.0.0 | Mozilla Firefox ESR (fi) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fr) | 153.0.0 | Mozilla Firefox ESR (fr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fur) | 153.0.0 | Mozilla Firefox ESR (fur) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (fy-NL) | 153.0.0 | Mozilla Firefox ESR (fy-NL) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ga-IE) | 153.0.0 | Mozilla Firefox ESR (ga-IE) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (gd) | 153.0.0 | Mozilla Firefox ESR (gd) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (gl) | 153.0.0 | Mozilla Firefox ESR (gl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (gn) | 153.0.0 | Mozilla Firefox ESR (gn) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (gu-IN) | 153.0.0 | Mozilla Firefox ESR (gu-IN) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (he) | 153.0.0 | Mozilla Firefox ESR (he) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hi-IN) | 153.0.0 | Mozilla Firefox ESR (hi-IN) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hr) | 153.0.0 | Mozilla Firefox ESR (hr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hsb) | 153.0.0 | Mozilla Firefox ESR (hsb) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hu) | 153.0.0 | Mozilla Firefox ESR (hu) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (hy-AM) | 153.0.0 | Mozilla Firefox ESR (hy-AM) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ia) | 153.0.0 | Mozilla Firefox ESR (ia) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (id) | 153.0.0 | Mozilla Firefox ESR (id) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (is) | 153.0.0 | Mozilla Firefox ESR (is) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (it) | 153.0.0 | Mozilla Firefox ESR (it) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ja) | 153.0.0 | Mozilla Firefox ESR (ja) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ka) | 153.0.0 | Mozilla Firefox ESR (ka) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (kab) | 153.0.0 | Mozilla Firefox ESR (kab) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (kk) | 153.0.0 | Mozilla Firefox ESR (kk) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (km) | 153.0.0 | Mozilla Firefox ESR (km) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (kn) | 153.0.0 | Mozilla Firefox ESR (kn) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ko) | 153.0.0 | Mozilla Firefox ESR (ko) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (lij) | 153.0.0 | Mozilla Firefox ESR (lij) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (lt) | 153.0.0 | Mozilla Firefox ESR (lt) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (lv) | 153.0.0 | Mozilla Firefox ESR (lv) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (mk) | 153.0.0 | Mozilla Firefox ESR (mk) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (mr) | 153.0.0 | Mozilla Firefox ESR (mr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ms) | 153.0.0 | Mozilla Firefox ESR (ms) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (my) | 153.0.0 | Mozilla Firefox ESR (my) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (nb-NO) | 153.0.0 | Mozilla Firefox ESR (nb-NO) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ne-NP) | 153.0.0 | Mozilla Firefox ESR (ne-NP) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (nl) | 153.0.0 | Mozilla Firefox ESR (nl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (nn-NO) | 153.0.0 | Mozilla Firefox ESR (nn-NO) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (oc) | 153.0.0 | Mozilla Firefox ESR (oc) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (pa-IN) | 153.0.0 | Mozilla Firefox ESR (pa-IN) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (pl) | 153.0.0 | Mozilla Firefox ESR (pl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (pt-BR) | 153.0.0 | Mozilla Firefox ESR (pt-BR) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (pt-PT) | 153.0.0 | Mozilla Firefox ESR (pt-PT) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (rm) | 153.0.0 | Mozilla Firefox ESR (rm) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ro) | 153.0.0 | Mozilla Firefox ESR (ro) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ru) | 153.0.0 | Mozilla Firefox ESR (ru) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sat) | 153.0.0 | Mozilla Firefox ESR (sat) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sc) | 153.0.0 | Mozilla Firefox ESR (sc) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sco) | 153.0.0 | Mozilla Firefox ESR (sco) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (si) | 153.0.0 | Mozilla Firefox ESR (si) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sk) | 153.0.0 | Mozilla Firefox ESR (sk) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sl) | 153.0.0 | Mozilla Firefox ESR (sl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (son) | 153.0.0 | Mozilla Firefox ESR (son) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sq) | 153.0.0 | Mozilla Firefox ESR (sq) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sr) | 153.0.0 | Mozilla Firefox ESR (sr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sv-SE) | 153.0.0 | Mozilla Firefox ESR (sv-SE) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (szl) | 153.0.0 | Mozilla Firefox ESR (szl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ta) | 153.0.0 | Mozilla Firefox ESR (ta) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (te) | 153.0.0 | Mozilla Firefox ESR (te) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (tg) | 153.0.0 | Mozilla Firefox ESR (tg) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (th) | 153.0.0 | Mozilla Firefox ESR (th) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (tl) | 153.0.0 | Mozilla Firefox ESR (tl) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (tr) | 153.0.0 | Mozilla Firefox ESR (tr) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (trs) | 153.0.0 | Mozilla Firefox ESR (trs) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (uk) | 153.0.0 | Mozilla Firefox ESR (uk) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (ur) | 153.0.0 | Mozilla Firefox ESR (ur) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (uz) | 153.0.0 | Mozilla Firefox ESR (uz) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (vi) | 153.0.0 | Mozilla Firefox ESR (vi) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (xh) | 153.0.0 | Mozilla Firefox ESR (xh) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (zh-CN) | 153.0.0 | Mozilla Firefox ESR (zh-CN) 153.0.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (zh-TW) | 153.0.0 | Mozilla Firefox ESR (zh-TW) 153.0.0 | Jul 20, 2026 |
| Mozilla Thunderbird (af) | 152.0 | Mozilla Thunderbird (af) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ar) | 152.0 | Mozilla Thunderbird (ar) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ast) | 152.0 | Mozilla Thunderbird (ast) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (be) | 152.0 | Mozilla Thunderbird (be) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (bg) | 152.0 | Mozilla Thunderbird (bg) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (br) | 152.0 | Mozilla Thunderbird (br) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ca) | 152.0 | Mozilla Thunderbird (ca) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (cak) | 152.0 | Mozilla Thunderbird (cak) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (cs) | 152.0 | Mozilla Thunderbird (cs) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (cy) | 152.0 | Mozilla Thunderbird (cy) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (da) | 152.0 | Mozilla Thunderbird (da) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (de) | 152.0 | Mozilla Thunderbird (de) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (dsb) | 152.0 | Mozilla Thunderbird (dsb) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (el) | 152.0 | Mozilla Thunderbird (el) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (en-CA) | 152.0 | Mozilla Thunderbird (en-CA) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (en-GB) | 152.0 | Mozilla Thunderbird (en-GB) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (en-US) | 152.0 | Mozilla Thunderbird (en-US) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (es-AR) | 152.0 | Mozilla Thunderbird (es-AR) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (es-ES) | 152.0 | Mozilla Thunderbird (es-ES) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (es-MX) | 152.0 | Mozilla Thunderbird (es-MX) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (et) | 152.0 | Mozilla Thunderbird (et) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (eu) | 152.0 | Mozilla Thunderbird (eu) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (fi) | 152.0 | Mozilla Thunderbird (fi) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (fr) | 152.0 | Mozilla Thunderbird (fr) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (fy-NL) | 152.0 | Mozilla Thunderbird (fy-NL) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ga-IE) | 152.0 | Mozilla Thunderbird (ga-IE) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (gd) | 152.0 | Mozilla Thunderbird (gd) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (gl) | 152.0 | Mozilla Thunderbird (gl) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (he) | 152.0 | Mozilla Thunderbird (he) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (hr) | 152.0 | Mozilla Thunderbird (hr) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (hsb) | 152.0 | Mozilla Thunderbird (hsb) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (hu) | 152.0 | Mozilla Thunderbird (hu) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (hy-AM) | 152.0 | Mozilla Thunderbird (hy-AM) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (id) | 152.0 | Mozilla Thunderbird (id) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (is) | 152.0 | Mozilla Thunderbird (is) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (it) | 152.0 | Mozilla Thunderbird (it) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ja) | 152.0 | Mozilla Thunderbird (ja) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ka) | 152.0 | Mozilla Thunderbird (ka) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (kab) | 152.0 | Mozilla Thunderbird (kab) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (kk) | 152.0 | Mozilla Thunderbird (kk) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ko) | 152.0 | Mozilla Thunderbird (ko) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (lt) | 152.0 | Mozilla Thunderbird (lt) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (lv) | 152.0 | Mozilla Thunderbird (lv) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ms) | 152.0 | Mozilla Thunderbird (ms) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (nb-NO) | 152.0 | Mozilla Thunderbird (nb-NO) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (nl) | 152.0 | Mozilla Thunderbird (nl) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (nn-NO) | 152.0 | Mozilla Thunderbird (nn-NO) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (pa-IN) | 152.0 | Mozilla Thunderbird (pa-IN) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (pl) | 152.0 | Mozilla Thunderbird (pl) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (pt-BR) | 152.0 | Mozilla Thunderbird (pt-BR) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (pt-PT) | 152.0 | Mozilla Thunderbird (pt-PT) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (rm) | 152.0 | Mozilla Thunderbird (rm) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ro) | 152.0 | Mozilla Thunderbird (ro) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (ru) | 152.0 | Mozilla Thunderbird (ru) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (sk) | 152.0 | Mozilla Thunderbird (sk) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (sl) | 152.0 | Mozilla Thunderbird (sl) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (sq) | 152.0 | Mozilla Thunderbird (sq) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (sr) | 152.0 | Mozilla Thunderbird (sr) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (sv-SE) | 152.0 | Mozilla Thunderbird (sv-SE) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (th) | 152.0 | Mozilla Thunderbird (th) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (tr) | 152.0 | Mozilla Thunderbird (tr) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (uk) | 152.0 | Mozilla Thunderbird (uk) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (uz) | 152.0 | Mozilla Thunderbird (uz) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (vi) | 152.0 | Mozilla Thunderbird (vi) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (zh-CN) | 152.0 | Mozilla Thunderbird (zh-CN) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird (zh-TW) | 152.0 | Mozilla Thunderbird (zh-TW) 152.0 | Jun 16, 2026 |
| Mozilla Thunderbird ESR (af) | 153.0.1 | Mozilla Thunderbird ESR (af) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ar) | 153.0.1 | Mozilla Thunderbird ESR (ar) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ast) | 153.0.1 | Mozilla Thunderbird ESR (ast) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (be) | 153.0.1 | Mozilla Thunderbird ESR (be) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (bg) | 153.0.1 | Mozilla Thunderbird ESR (bg) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (br) | 153.0.1 | Mozilla Thunderbird ESR (br) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ca) | 153.0.1 | Mozilla Thunderbird ESR (ca) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (cak) | 153.0.1 | Mozilla Thunderbird ESR (cak) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (cs) | 153.0.1 | Mozilla Thunderbird ESR (cs) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (cy) | 153.0.1 | Mozilla Thunderbird ESR (cy) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (da) | 153.0.1 | Mozilla Thunderbird ESR (da) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (de) | 153.0.1 | Mozilla Thunderbird ESR (de) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (dsb) | 153.0.1 | Mozilla Thunderbird ESR (dsb) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (el) | 153.0.1 | Mozilla Thunderbird ESR (el) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (en-CA) | 153.0.1 | Mozilla Thunderbird ESR (en-CA) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (en-GB) | 153.0.1 | Mozilla Thunderbird ESR (en-GB) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (en-US) | 153.0.1 | Mozilla Thunderbird ESR (en-US) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (es-AR) | 153.0.1 | Mozilla Thunderbird ESR (es-AR) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (es-ES) | 153.0.1 | Mozilla Thunderbird ESR (es-ES) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (es-MX) | 153.0.1 | Mozilla Thunderbird ESR (es-MX) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (et) | 153.0.1 | Mozilla Thunderbird ESR (et) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (eu) | 153.0.1 | Mozilla Thunderbird ESR (eu) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (fi) | 153.0.1 | Mozilla Thunderbird ESR (fi) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (fr) | 153.0.1 | Mozilla Thunderbird ESR (fr) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (fy-NL) | 153.0.1 | Mozilla Thunderbird ESR (fy-NL) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ga-IE) | 153.0.1 | Mozilla Thunderbird ESR (ga-IE) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (gd) | 153.0.1 | Mozilla Thunderbird ESR (gd) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (gl) | 153.0.1 | Mozilla Thunderbird ESR (gl) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (he) | 153.0.1 | Mozilla Thunderbird ESR (he) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (hr) | 153.0.1 | Mozilla Thunderbird ESR (hr) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (hsb) | 153.0.1 | Mozilla Thunderbird ESR (hsb) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (hu) | 153.0.1 | Mozilla Thunderbird ESR (hu) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (hy-AM) | 153.0.1 | Mozilla Thunderbird ESR (hy-AM) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (id) | 153.0.1 | Mozilla Thunderbird ESR (id) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (is) | 153.0.1 | Mozilla Thunderbird ESR (is) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (it) | 153.0.1 | Mozilla Thunderbird ESR (it) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ja) | 153.0.1 | Mozilla Thunderbird ESR (ja) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ka) | 153.0.1 | Mozilla Thunderbird ESR (ka) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (kab) | 153.0.1 | Mozilla Thunderbird ESR (kab) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (kk) | 153.0.1 | Mozilla Thunderbird ESR (kk) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ko) | 153.0.1 | Mozilla Thunderbird ESR (ko) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (lt) | 153.0.1 | Mozilla Thunderbird ESR (lt) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (lv) | 153.0.1 | Mozilla Thunderbird ESR (lv) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ms) | 153.0.1 | Mozilla Thunderbird ESR (ms) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (nb-NO) | 153.0.1 | Mozilla Thunderbird ESR (nb-NO) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (nl) | 153.0.1 | Mozilla Thunderbird ESR (nl) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (nn-NO) | 153.0.1 | Mozilla Thunderbird ESR (nn-NO) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (pa-IN) | 153.0.1 | Mozilla Thunderbird ESR (pa-IN) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (pl) | 153.0.1 | Mozilla Thunderbird ESR (pl) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (pt-BR) | 153.0.1 | Mozilla Thunderbird ESR (pt-BR) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (pt-PT) | 153.0.1 | Mozilla Thunderbird ESR (pt-PT) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (rm) | 153.0.1 | Mozilla Thunderbird ESR (rm) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ro) | 153.0.1 | Mozilla Thunderbird ESR (ro) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (ru) | 153.0.1 | Mozilla Thunderbird ESR (ru) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sk) | 153.0.1 | Mozilla Thunderbird ESR (sk) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sl) | 153.0.1 | Mozilla Thunderbird ESR (sl) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sq) | 153.0.1 | Mozilla Thunderbird ESR (sq) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sr) | 153.0.1 | Mozilla Thunderbird ESR (sr) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (sv-SE) | 153.0.1 | Mozilla Thunderbird ESR (sv-SE) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (th) | 153.0.1 | Mozilla Thunderbird ESR (th) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (tr) | 153.0.1 | Mozilla Thunderbird ESR (tr) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (uk) | 153.0.1 | Mozilla Thunderbird ESR (uk) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (uz) | 153.0.1 | Mozilla Thunderbird ESR (uz) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (vi) | 153.0.1 | Mozilla Thunderbird ESR (vi) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (zh-CN) | 153.0.1 | Mozilla Thunderbird ESR (zh-CN) 153.0.1 | Jul 23, 2026 |
| Mozilla Thunderbird ESR (zh-TW) | 153.0.1 | Mozilla Thunderbird ESR (zh-TW) 153.0.1 | Jul 23, 2026 |
| macOS | |||
| Mozilla Firefox | 152.0.1 | Mozilla Firefox 152.0.1 | Jun 17, 2026 |
| Mozilla Thunderbird | 152.0 | Mozilla Thunderbird 152.0 | Jun 11, 2026 |
| Linux | |||
| MozillaFirefox · opensuse-leap 16.0 | 140.13.0-160000.1.1 | OPENSUSE-SU-2026:21519-1 | Aug 3, 2026 |
| MozillaFirefox · sles 15.6 | 140.12.0-150200.152.245.1 | SUSE-SU-2026:2814-1 | Jul 9, 2026 |
| MozillaFirefox · sles 15.7 | 140.12.0-150200.152.245.1 | SUSE-SU-2026:2814-1 | Jul 9, 2026 |
| MozillaFirefox · sles 16.0 | 140.13.0-160000.1.1 | SUSE-SU-2026:23137-1 | Aug 3, 2026 |
| MozillaThunderbird · opensuse-leap 16.0 | 140.12.0-bp160.1.1 | OPENSUSE-SU-2026:21168-1 | Jun 29, 2026 |
| MozillaThunderbird · sles 15.7 | 140.12.0-150200.8.277.1 | SUSE-SU-2026:2852-1 | Jul 10, 2026 |
| firefox · RHEL 10 | 140.12.0-1.el10_0 | RHSA-2026:36100 | Jun 24, 2026 |
| firefox · RHEL 8 | 0:140.12.0-1.el8_10 | RHSA-2026:27717 | Jun 24, 2026 |
| firefox · RHEL 9 | 0:140.12.0-1.el9_8 | RHSA-2026:27734 | Jun 24, 2026 |
| firefox · almalinux 10 | 140.12.0-1.el10_2 | ALSA-2026:27733 | Jun 22, 2026 |
| firefox · almalinux 8 | 140.12.0-1.el8_10.alma.1 | ALSA-2026:27717 | Jun 22, 2026 |
| firefox · almalinux 9 | 140.12.0-1.el9_8.alma.1 | ALSA-2026:27734 | Jun 22, 2026 |
| firefox · amzn 2023 | 140.12.0-1.amzn2023.0.1 | ALAS2023-2026-1928 | Jul 6, 2026 |
| firefox · ol 10 | 0:140.12.0-1.0.1.el10_2 | ELSA-2026-27733 | Jul 17, 2026 |
| firefox · ol 8 | 0:140.12.0-1.0.1.el8_10 | ELSA-2026-27717 | Jun 22, 2026 |
| firefox · ol 9 | 0:140.12.0-1.0.1.el9_8 | ELSA-2026-27734 | Jun 23, 2026 |
| firefox · rocky 10 | 0:140.12.0-1.el10_2 | RLSA-2026:27733 | Jun 24, 2026 |
| firefox · rocky 8 | 0:140.12.0-1.el8_10 | RLSA-2026:27717 | Jun 25, 2026 |
| firefox · rocky 9 | 0:140.12.0-1.el9_8 | RLSA-2026:27734 | Jun 24, 2026 |
| firefox-debuginfo · amzn 2023 | 140.12.0-1.amzn2023.0.1 | ALAS2023-2026-1928 | Jul 6, 2026 |
| firefox-debugsource · amzn 2023 | 140.12.0-1.amzn2023.0.1 | ALAS2023-2026-1928 | Jul 6, 2026 |
| firefox-esr · Debian 12.15 (bookworm) | 140.12.0esr-1~deb12u1 | DEBIAN-CVE-2026-12299 | Jun 24, 2026 |
| firefox-esr · Debian 13.5 (trixie) | 140.12.0esr-1~deb13u1 | DEBIAN-CVE-2026-12299 | Jun 24, 2026 |
| firefox-esr · Debian 14 | 140.12.0esr-1 | DEBIAN-CVE-2026-12299 | Jun 24, 2026 |
| firefox-x11 · RHEL 9 | 0:140.12.0-1.el9_8 | RHSA-2026:27734 | Jun 24, 2026 |
| firefox-x11 · almalinux 9 | 140.12.0-1.el9_8.alma.1 | ALSA-2026:27734 | Jun 22, 2026 |
| firefox-x11 · ol 9 | 0:140.12.0-1.0.1.el9_8 | ELSA-2026-27734 | Jun 23, 2026 |
| thunderbird · Debian 12.15 (bookworm) | 1:140.12.0esr-1~deb12u1 | DEBIAN-CVE-2026-12299 | Jun 24, 2026 |
| thunderbird · Debian 13.5 (trixie) | 1:140.12.0esr-1~deb13u1 | DEBIAN-CVE-2026-12299 | Jun 24, 2026 |
| thunderbird · Debian 14 | 1:140.12.0esr-1 | DEBIAN-CVE-2026-12299 | Jun 24, 2026 |
| thunderbird · RHEL 10 | 140.12.0-1.el10_0 | RHSA-2026:38751 | Jun 30, 2026 |
| thunderbird · RHEL 8 | 0:140.12.0-1.el8_10 | RHSA-2026:33445 | Jul 1, 2026 |
| thunderbird · RHEL 9 | 0:140.12.0-1.el9_8 | RHSA-2026:29940 | Jun 29, 2026 |
| thunderbird · almalinux 10 | 140.12.0-1.el10_2.alma.1 | ALSA-2026:30846 | Jun 29, 2026 |
| thunderbird · almalinux 8 | 140.12.0-1.el8_10.alma.1 | ALSA-2026:33445 | Jun 30, 2026 |
| thunderbird · almalinux 9 | 140.12.0-1.el9_8.alma.1 | ALSA-2026:29940 | Jun 25, 2026 |
| thunderbird · ol 10 | 0:140.12.0-1.0.1.el10_2 | ELSA-2026-30846 | Jul 16, 2026 |
| thunderbird · ol 8 | 0:140.12.0-1.0.1.el8_10 | ELSA-2026-33445 | Jun 30, 2026 |
| thunderbird · ol 9 | 0:140.12.0-1.0.1.el9_8 | ELSA-2026-29940 | Jun 26, 2026 |
| thunderbird · rocky 10 | 0:140.12.0-1.el10_2 | RLSA-2026:30846 | Jul 5, 2026 |
| thunderbird · rocky 8 | 0:140.12.0-1.el8_10 | RLSA-2026:33445 | Jul 4, 2026 |
| thunderbird · rocky 9 | 0:140.12.0-1.el9_8 | RLSA-2026:29940 | Jun 26, 2026 |
| No fix yet | |||
| Firefox Developer Edition (ach) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (af) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (an) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ar) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ast) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (az) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (be) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (bg) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (bn) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (br) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (bs) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ca) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ca-valencia) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (cak) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (cs) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (cy) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (da) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (de) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (dsb) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (el) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (en-CA) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (en-GB) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (eo) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (es-AR) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (es-CL) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (es-ES) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (es-MX) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (et) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (eu) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fa) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ff) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fi) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fur) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (fy-NL) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ga-IE) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (gd) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (gl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (gn) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (gu-IN) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (he) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hi-IN) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hsb) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hu) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (hy-AM) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ia) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (id) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (is) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (it) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ja) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ka) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (kab) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (kk) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (km) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (kn) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ko) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (lij) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (lt) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (lv) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (mk) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (mr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ms) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (my) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (nb-NO) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ne-NP) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (nl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (nn-NO) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (oc) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (pa-IN) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (pl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (pt-BR) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (pt-PT) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (rm) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ro) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ru) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sc) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sco) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (si) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sk) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (son) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sq) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (sv-SE) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (szl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ta) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (te) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (tg) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (th) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (tl) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (tr) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (trs) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (uk) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (ur) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (uz) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (vi) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (xh) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (zh-CN) (Windows apps) | No fix yet | no-fix | n/a |
| Firefox Developer Edition (zh-TW) (Windows apps) | No fix yet | no-fix | n/a |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.