CVE-2026-5732
Incorrect boundary conditions, integer overflow in the Graphics: Text component
CVE-2026-5732 is fixed in 313 products on 3 platforms, first by Mozilla Firefox (ach) 149.0.2, released April 7, 2026. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 3 platforms
CVSS
8.8
important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0036
30th percentile
Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Firefox Developer Edition (ach) | 151.0 | Firefox Developer Edition (ach) 151.0 | May 13, 2026 |
| Firefox Developer Edition (af) | 151.0 | Firefox Developer Edition (af) 151.0 | May 13, 2026 |
| Firefox Developer Edition (an) | 151.0 | Firefox Developer Edition (an) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ar) | 151.0 | Firefox Developer Edition (ar) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ast) | 151.0 | Firefox Developer Edition (ast) 151.0 | May 13, 2026 |
| Firefox Developer Edition (az) | 151.0 | Firefox Developer Edition (az) 151.0 | May 13, 2026 |
| Firefox Developer Edition (be) | 151.0 | Firefox Developer Edition (be) 151.0 | May 13, 2026 |
| Firefox Developer Edition (bg) | 151.0 | Firefox Developer Edition (bg) 151.0 | May 13, 2026 |
| Firefox Developer Edition (bn) | 151.0 | Firefox Developer Edition (bn) 151.0 | May 13, 2026 |
| Firefox Developer Edition (br) | 151.0 | Firefox Developer Edition (br) 151.0 | May 13, 2026 |
| Firefox Developer Edition (bs) | 151.0 | Firefox Developer Edition (bs) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ca) | 151.0 | Firefox Developer Edition (ca) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ca-valencia) | 151.0 | Firefox Developer Edition (ca-valencia) 151.0 | May 13, 2026 |
| Firefox Developer Edition (cak) | 151.0 | Firefox Developer Edition (cak) 151.0 | May 13, 2026 |
| Firefox Developer Edition (cs) | 151.0 | Firefox Developer Edition (cs) 151.0 | May 13, 2026 |
| Firefox Developer Edition (cy) | 151.0 | Firefox Developer Edition (cy) 151.0 | May 13, 2026 |
| Firefox Developer Edition (da) | 151.0 | Firefox Developer Edition (da) 151.0 | May 13, 2026 |
| Firefox Developer Edition (de) | 151.0 | Firefox Developer Edition (de) 151.0 | May 13, 2026 |
| Firefox Developer Edition (dsb) | 151.0 | Firefox Developer Edition (dsb) 151.0 | May 13, 2026 |
| Firefox Developer Edition (el) | 151.0 | Firefox Developer Edition (el) 151.0 | May 13, 2026 |
| Firefox Developer Edition (en-CA) | 151.0 | Firefox Developer Edition (en-CA) 151.0 | May 13, 2026 |
| Firefox Developer Edition (en-GB) | 151.0 | Firefox Developer Edition (en-GB) 151.0 | May 13, 2026 |
| Firefox Developer Edition (en-US) | 151.0 | Firefox Developer Edition (en-US) 151.0 | May 13, 2026 |
| Firefox Developer Edition (eo) | 151.0 | Firefox Developer Edition (eo) 151.0 | May 13, 2026 |
| Firefox Developer Edition (es-AR) | 151.0 | Firefox Developer Edition (es-AR) 151.0 | May 13, 2026 |
| Firefox Developer Edition (es-CL) | 151.0 | Firefox Developer Edition (es-CL) 151.0 | May 13, 2026 |
| Firefox Developer Edition (es-ES) | 151.0 | Firefox Developer Edition (es-ES) 151.0 | May 13, 2026 |
| Firefox Developer Edition (es-MX) | 151.0 | Firefox Developer Edition (es-MX) 151.0 | May 13, 2026 |
| Firefox Developer Edition (et) | 151.0 | Firefox Developer Edition (et) 151.0 | May 13, 2026 |
| Firefox Developer Edition (eu) | 151.0 | Firefox Developer Edition (eu) 151.0 | May 13, 2026 |
| Firefox Developer Edition (fa) | 151.0 | Firefox Developer Edition (fa) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ff) | 151.0 | Firefox Developer Edition (ff) 151.0 | May 13, 2026 |
| Firefox Developer Edition (fi) | 151.0 | Firefox Developer Edition (fi) 151.0 | May 13, 2026 |
| Firefox Developer Edition (fr) | 151.0 | Firefox Developer Edition (fr) 151.0 | May 13, 2026 |
| Firefox Developer Edition (fur) | 151.0 | Firefox Developer Edition (fur) 151.0 | May 13, 2026 |
| Firefox Developer Edition (fy-NL) | 151.0 | Firefox Developer Edition (fy-NL) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ga-IE) | 151.0 | Firefox Developer Edition (ga-IE) 151.0 | May 13, 2026 |
| Firefox Developer Edition (gd) | 151.0 | Firefox Developer Edition (gd) 151.0 | May 13, 2026 |
| Firefox Developer Edition (gl) | 151.0 | Firefox Developer Edition (gl) 151.0 | May 13, 2026 |
| Firefox Developer Edition (gn) | 151.0 | Firefox Developer Edition (gn) 151.0 | May 13, 2026 |
| Firefox Developer Edition (gu-IN) | 151.0 | Firefox Developer Edition (gu-IN) 151.0 | May 13, 2026 |
| Firefox Developer Edition (he) | 151.0 | Firefox Developer Edition (he) 151.0 | May 13, 2026 |
| Firefox Developer Edition (hi-IN) | 151.0 | Firefox Developer Edition (hi-IN) 151.0 | May 13, 2026 |
| Firefox Developer Edition (hr) | 151.0 | Firefox Developer Edition (hr) 151.0 | May 13, 2026 |
| Firefox Developer Edition (hsb) | 151.0 | Firefox Developer Edition (hsb) 151.0 | May 13, 2026 |
| Firefox Developer Edition (hu) | 151.0 | Firefox Developer Edition (hu) 151.0 | May 13, 2026 |
| Firefox Developer Edition (hy-AM) | 151.0 | Firefox Developer Edition (hy-AM) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ia) | 151.0 | Firefox Developer Edition (ia) 151.0 | May 13, 2026 |
| Firefox Developer Edition (id) | 151.0 | Firefox Developer Edition (id) 151.0 | May 13, 2026 |
| Firefox Developer Edition (is) | 151.0 | Firefox Developer Edition (is) 151.0 | May 13, 2026 |
| Firefox Developer Edition (it) | 151.0 | Firefox Developer Edition (it) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ja) | 151.0 | Firefox Developer Edition (ja) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ka) | 151.0 | Firefox Developer Edition (ka) 151.0 | May 13, 2026 |
| Firefox Developer Edition (kab) | 151.0 | Firefox Developer Edition (kab) 151.0 | May 13, 2026 |
| Firefox Developer Edition (kk) | 151.0 | Firefox Developer Edition (kk) 151.0 | May 13, 2026 |
| Firefox Developer Edition (km) | 151.0 | Firefox Developer Edition (km) 151.0 | May 13, 2026 |
| Firefox Developer Edition (kn) | 151.0 | Firefox Developer Edition (kn) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ko) | 151.0 | Firefox Developer Edition (ko) 151.0 | May 13, 2026 |
| Firefox Developer Edition (lij) | 151.0 | Firefox Developer Edition (lij) 151.0 | May 13, 2026 |
| Firefox Developer Edition (lt) | 151.0 | Firefox Developer Edition (lt) 151.0 | May 13, 2026 |
| Firefox Developer Edition (lv) | 151.0 | Firefox Developer Edition (lv) 151.0 | May 13, 2026 |
| Firefox Developer Edition (mk) | 151.0 | Firefox Developer Edition (mk) 151.0 | May 13, 2026 |
| Firefox Developer Edition (mr) | 151.0 | Firefox Developer Edition (mr) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ms) | 151.0 | Firefox Developer Edition (ms) 151.0 | May 13, 2026 |
| Firefox Developer Edition (my) | 151.0 | Firefox Developer Edition (my) 151.0 | May 13, 2026 |
| Firefox Developer Edition (nb-NO) | 151.0 | Firefox Developer Edition (nb-NO) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ne-NP) | 151.0 | Firefox Developer Edition (ne-NP) 151.0 | May 13, 2026 |
| Firefox Developer Edition (nl) | 151.0 | Firefox Developer Edition (nl) 151.0 | May 13, 2026 |
| Firefox Developer Edition (nn-NO) | 151.0 | Firefox Developer Edition (nn-NO) 151.0 | May 13, 2026 |
| Firefox Developer Edition (oc) | 151.0 | Firefox Developer Edition (oc) 151.0 | May 13, 2026 |
| Firefox Developer Edition (pa-IN) | 151.0 | Firefox Developer Edition (pa-IN) 151.0 | May 13, 2026 |
| Firefox Developer Edition (pl) | 151.0 | Firefox Developer Edition (pl) 151.0 | May 13, 2026 |
| Firefox Developer Edition (pt-BR) | 151.0 | Firefox Developer Edition (pt-BR) 151.0 | May 13, 2026 |
| Firefox Developer Edition (pt-PT) | 151.0 | Firefox Developer Edition (pt-PT) 151.0 | May 13, 2026 |
| Firefox Developer Edition (rm) | 151.0 | Firefox Developer Edition (rm) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ro) | 151.0 | Firefox Developer Edition (ro) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ru) | 151.0 | Firefox Developer Edition (ru) 151.0 | May 13, 2026 |
| Firefox Developer Edition (sc) | 151.0 | Firefox Developer Edition (sc) 151.0 | May 13, 2026 |
| Firefox Developer Edition (sco) | 151.0 | Firefox Developer Edition (sco) 151.0 | May 13, 2026 |
| Firefox Developer Edition (si) | 151.0 | Firefox Developer Edition (si) 151.0 | May 13, 2026 |
| Firefox Developer Edition (sk) | 151.0 | Firefox Developer Edition (sk) 151.0 | May 13, 2026 |
| Firefox Developer Edition (sl) | 151.0 | Firefox Developer Edition (sl) 151.0 | May 13, 2026 |
| Firefox Developer Edition (son) | 151.0 | Firefox Developer Edition (son) 151.0 | May 13, 2026 |
| Firefox Developer Edition (sq) | 151.0 | Firefox Developer Edition (sq) 151.0 | May 13, 2026 |
| Firefox Developer Edition (sr) | 151.0 | Firefox Developer Edition (sr) 151.0 | May 13, 2026 |
| Firefox Developer Edition (sv-SE) | 151.0 | Firefox Developer Edition (sv-SE) 151.0 | May 13, 2026 |
| Firefox Developer Edition (szl) | 151.0 | Firefox Developer Edition (szl) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ta) | 151.0 | Firefox Developer Edition (ta) 151.0 | May 13, 2026 |
| Firefox Developer Edition (te) | 151.0 | Firefox Developer Edition (te) 151.0 | May 13, 2026 |
| Firefox Developer Edition (tg) | 151.0 | Firefox Developer Edition (tg) 151.0 | May 13, 2026 |
| Firefox Developer Edition (th) | 151.0 | Firefox Developer Edition (th) 151.0 | May 13, 2026 |
| Firefox Developer Edition (tl) | 151.0 | Firefox Developer Edition (tl) 151.0 | May 13, 2026 |
| Firefox Developer Edition (tr) | 151.0 | Firefox Developer Edition (tr) 151.0 | May 13, 2026 |
| Firefox Developer Edition (trs) | 151.0 | Firefox Developer Edition (trs) 151.0 | May 13, 2026 |
| Firefox Developer Edition (uk) | 151.0 | Firefox Developer Edition (uk) 151.0 | May 13, 2026 |
| Firefox Developer Edition (ur) | 151.0 | Firefox Developer Edition (ur) 151.0 | May 13, 2026 |
| Firefox Developer Edition (uz) | 151.0 | Firefox Developer Edition (uz) 151.0 | May 13, 2026 |
| Firefox Developer Edition (vi) | 151.0 | Firefox Developer Edition (vi) 151.0 | May 13, 2026 |
| Firefox Developer Edition (xh) | 151.0 | Firefox Developer Edition (xh) 151.0 | May 13, 2026 |
| Firefox Developer Edition (zh-CN) | 151.0 | Firefox Developer Edition (zh-CN) 151.0 | May 13, 2026 |
| Firefox Developer Edition (zh-TW) | 151.0 | Firefox Developer Edition (zh-TW) 151.0 | May 13, 2026 |
| Mozilla Firefox (ach) | 149.0.2 | Mozilla Firefox (ach) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (af) | 149.0.2 | Mozilla Firefox (af) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (an) | 149.0.2 | Mozilla Firefox (an) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ar) | 149.0.2 | Mozilla Firefox (ar) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ast) | 149.0.2 | Mozilla Firefox (ast) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (az) | 149.0.2 | Mozilla Firefox (az) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (be) | 149.0.2 | Mozilla Firefox (be) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (bg) | 149.0.2 | Mozilla Firefox (bg) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (bn) | 149.0.2 | Mozilla Firefox (bn) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (br) | 149.0.2 | Mozilla Firefox (br) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (bs) | 149.0.2 | Mozilla Firefox (bs) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ca) | 149.0.2 | Mozilla Firefox (ca) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ca-valencia) | 149.0.2 | Mozilla Firefox (ca-valencia) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (cak) | 149.0.2 | Mozilla Firefox (cak) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (cs) | 149.0.2 | Mozilla Firefox (cs) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (cy) | 149.0.2 | Mozilla Firefox (cy) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (da) | 149.0.2 | Mozilla Firefox (da) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (de) | 149.0.2 | Mozilla Firefox (de) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (dsb) | 149.0.2 | Mozilla Firefox (dsb) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (el) | 149.0.2 | Mozilla Firefox (el) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (en-CA) | 149.0.2 | Mozilla Firefox (en-CA) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (en-GB) | 149.0.2 | Mozilla Firefox (en-GB) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (en-US) | 149.0.2 | Mozilla Firefox (en-US) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (eo) | 149.0.2 | Mozilla Firefox (eo) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (es-AR) | 149.0.2 | Mozilla Firefox (es-AR) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (es-CL) | 149.0.2 | Mozilla Firefox (es-CL) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (es-ES) | 149.0.2 | Mozilla Firefox (es-ES) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (es-MX) | 149.0.2 | Mozilla Firefox (es-MX) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (et) | 149.0.2 | Mozilla Firefox (et) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (eu) | 149.0.2 | Mozilla Firefox (eu) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (fa) | 149.0.2 | Mozilla Firefox (fa) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ff) | 149.0.2 | Mozilla Firefox (ff) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (fi) | 149.0.2 | Mozilla Firefox (fi) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (fr) | 149.0.2 | Mozilla Firefox (fr) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (fur) | 149.0.2 | Mozilla Firefox (fur) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (fy-NL) | 149.0.2 | Mozilla Firefox (fy-NL) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ga-IE) | 149.0.2 | Mozilla Firefox (ga-IE) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (gd) | 149.0.2 | Mozilla Firefox (gd) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (gl) | 149.0.2 | Mozilla Firefox (gl) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (gn) | 149.0.2 | Mozilla Firefox (gn) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (gu-IN) | 149.0.2 | Mozilla Firefox (gu-IN) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (he) | 149.0.2 | Mozilla Firefox (he) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (hi-IN) | 149.0.2 | Mozilla Firefox (hi-IN) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (hr) | 149.0.2 | Mozilla Firefox (hr) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (hsb) | 149.0.2 | Mozilla Firefox (hsb) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (hu) | 149.0.2 | Mozilla Firefox (hu) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (hy-AM) | 149.0.2 | Mozilla Firefox (hy-AM) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ia) | 149.0.2 | Mozilla Firefox (ia) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (id) | 149.0.2 | Mozilla Firefox (id) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (is) | 149.0.2 | Mozilla Firefox (is) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (it) | 149.0.2 | Mozilla Firefox (it) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ja) | 149.0.2 | Mozilla Firefox (ja) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ka) | 149.0.2 | Mozilla Firefox (ka) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (kab) | 149.0.2 | Mozilla Firefox (kab) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (kk) | 149.0.2 | Mozilla Firefox (kk) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (km) | 149.0.2 | Mozilla Firefox (km) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (kn) | 149.0.2 | Mozilla Firefox (kn) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ko) | 149.0.2 | Mozilla Firefox (ko) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (lij) | 149.0.2 | Mozilla Firefox (lij) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (lt) | 149.0.2 | Mozilla Firefox (lt) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (lv) | 149.0.2 | Mozilla Firefox (lv) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (mk) | 149.0.2 | Mozilla Firefox (mk) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (mr) | 149.0.2 | Mozilla Firefox (mr) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ms) | 149.0.2 | Mozilla Firefox (ms) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (my) | 149.0.2 | Mozilla Firefox (my) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (nb-NO) | 149.0.2 | Mozilla Firefox (nb-NO) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ne-NP) | 149.0.2 | Mozilla Firefox (ne-NP) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (nl) | 149.0.2 | Mozilla Firefox (nl) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (nn-NO) | 149.0.2 | Mozilla Firefox (nn-NO) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (oc) | 149.0.2 | Mozilla Firefox (oc) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (pa-IN) | 149.0.2 | Mozilla Firefox (pa-IN) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (pl) | 149.0.2 | Mozilla Firefox (pl) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (pt-BR) | 149.0.2 | Mozilla Firefox (pt-BR) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (pt-PT) | 149.0.2 | Mozilla Firefox (pt-PT) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (rm) | 149.0.2 | Mozilla Firefox (rm) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ro) | 149.0.2 | Mozilla Firefox (ro) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ru) | 149.0.2 | Mozilla Firefox (ru) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (sc) | 149.0.2 | Mozilla Firefox (sc) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (sco) | 149.0.2 | Mozilla Firefox (sco) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (si) | 149.0.2 | Mozilla Firefox (si) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (sk) | 149.0.2 | Mozilla Firefox (sk) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (sl) | 149.0.2 | Mozilla Firefox (sl) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (son) | 149.0.2 | Mozilla Firefox (son) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (sq) | 149.0.2 | Mozilla Firefox (sq) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (sr) | 149.0.2 | Mozilla Firefox (sr) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (sv-SE) | 149.0.2 | Mozilla Firefox (sv-SE) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (szl) | 149.0.2 | Mozilla Firefox (szl) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ta) | 149.0.2 | Mozilla Firefox (ta) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (te) | 149.0.2 | Mozilla Firefox (te) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (tg) | 149.0.2 | Mozilla Firefox (tg) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (th) | 149.0.2 | Mozilla Firefox (th) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (tl) | 149.0.2 | Mozilla Firefox (tl) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (tr) | 149.0.2 | Mozilla Firefox (tr) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (trs) | 149.0.2 | Mozilla Firefox (trs) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (uk) | 149.0.2 | Mozilla Firefox (uk) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (ur) | 149.0.2 | Mozilla Firefox (ur) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (uz) | 149.0.2 | Mozilla Firefox (uz) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (vi) | 149.0.2 | Mozilla Firefox (vi) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (xh) | 149.0.2 | Mozilla Firefox (xh) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (zh-CN) | 149.0.2 | Mozilla Firefox (zh-CN) 149.0.2 | Apr 7, 2026 |
| Mozilla Firefox (zh-TW) | 149.0.2 | Mozilla Firefox (zh-TW) 149.0.2 | Apr 7, 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 |
| macOS | |||
| Mozilla Firefox | 150.0.2 | Mozilla Firefox 150.0.2 | May 6, 2026 |
| Linux | |||
| MozillaFirefox · opensuse-leap 16.0 | 140.9.1-160000.1.1 | OPENSUSE-SU-2026:20486-1 | Apr 9, 2026 |
| MozillaFirefox · sles 15.6 | 140.9.1-150200.152.228.1 | SUSE-SU-2026:1322-1 | Apr 14, 2026 |
| MozillaFirefox · sles 15.7 | 140.9.1-150200.152.228.1 | SUSE-SU-2026:1322-1 | Apr 14, 2026 |
| MozillaFirefox · sles 16.0 | 140.9.1-160000.1.1 | SUSE-SU-2026:21157-1 | Apr 9, 2026 |
| MozillaThunderbird · sles 15.7 | 140.9.1-150200.8.266.1 | SUSE-SU-2026:1379-1 | Apr 16, 2026 |
| firefox · RHEL 10 | 140.9.1-1.el10_0 | RHSA-2026:13665 | Apr 15, 2026 |
| firefox · RHEL 8 | 0:140.9.1-1.el8_10 | RHSA-2026:8052 | Apr 15, 2026 |
| firefox · RHEL 9 | 0:140.9.1-1.el9_7 | RHSA-2026:7671 | Apr 15, 2026 |
| firefox · almalinux 10 | 140.9.1-1.el10_1 | ALSA-2026:7672 | Apr 13, 2026 |
| firefox · almalinux 8 | 140.9.1-1.el8_10.alma.1 | ALSA-2026:8052 | Apr 14, 2026 |
| firefox · almalinux 9 | 140.9.1-1.el9_7.alma.1 | ALSA-2026:7671 | Apr 13, 2026 |
| firefox · amzn 2023 | 140.9.1-1.amzn2023.0.1 | ALAS2023-2026-1621 | Apr 27, 2026 |
| firefox · ol 10 | 0:140.9.1-1.0.1.el10_1 | ELSA-2026-7672 | Apr 13, 2026 |
| firefox · ol 8 | 0:140.9.1-1.0.1.el8_10 | ELSA-2026-8052 | Apr 14, 2026 |
| firefox · ol 9 | 0:140.9.1-1.0.1.el9_7 | ELSA-2026-7671 | Apr 13, 2026 |
| firefox · rocky 10 | 0:140.9.1-1.el10_1 | RLSA-2026:7672 | Apr 15, 2026 |
| firefox · rocky 8 | 0:140.9.1-1.el8_10 | RLSA-2026:8052 | Apr 16, 2026 |
| firefox · rocky 9 | 0:140.9.1-1.el9_7 | RLSA-2026:7671 | Apr 15, 2026 |
| firefox-debuginfo · amzn 2023 | 140.9.1-1.amzn2023.0.1 | ALAS2023-2026-1621 | Apr 27, 2026 |
| firefox-debugsource · amzn 2023 | 140.9.1-1.amzn2023.0.1 | ALAS2023-2026-1621 | Apr 27, 2026 |
| firefox-esr · Debian 12.15 (bookworm) | 140.9.1esr-1~deb12u1 | DEBIAN-CVE-2026-5732 | Apr 7, 2026 |
| firefox-esr · Debian 13.5 (trixie) | 140.9.1esr-1~deb13u1 | DEBIAN-CVE-2026-5732 | Apr 7, 2026 |
| firefox-esr · Debian 14 | 140.9.1esr-1 | DEBIAN-CVE-2026-5732 | Apr 7, 2026 |
| firefox-x11 · RHEL 9 | 0:140.9.1-1.el9_7 | RHSA-2026:7671 | Apr 15, 2026 |
| firefox-x11 · almalinux 9 | 140.9.1-1.el9_7.alma.1 | ALSA-2026:7671 | Apr 13, 2026 |
| firefox-x11 · ol 9 | 0:140.9.1-1.0.1.el9_7 | ELSA-2026-7671 | Apr 13, 2026 |
| thunderbird · Debian 12.15 (bookworm) | 1:140.9.1esr-1~deb12u1 | DEBIAN-CVE-2026-5732 | Apr 7, 2026 |
| thunderbird · Debian 13.5 (trixie) | 1:140.9.1esr-1~deb13u1 | DEBIAN-CVE-2026-5732 | Apr 7, 2026 |
| thunderbird · Debian 14 | 1:140.9.1esr-1 | DEBIAN-CVE-2026-5732 | Apr 7, 2026 |
| thunderbird · RHEL 10 | 140.9.1-1.el10_0 | RHSA-2026:11813 | Apr 30, 2026 |
| thunderbird · RHEL 8 | 0:140.9.1-1.el8_10 | RHSA-2026:9345 | Apr 30, 2026 |
| thunderbird · RHEL 9 | 0:140.9.1-1.el9_7 | RHSA-2026:8459 | Apr 30, 2026 |
| thunderbird · almalinux 10 | 140.9.1-1.el10_1.alma.1 | ALSA-2026:9638 | Apr 22, 2026 |
| thunderbird · almalinux 8 | 140.9.1-1.el8_10.alma.1 | ALSA-2026:9345 | Apr 21, 2026 |
| thunderbird · almalinux 9 | 140.9.1-1.el9_7.alma.1 | ALSA-2026:8459 | Apr 16, 2026 |
| thunderbird · ol 10 | 0:140.9.1-1.0.1.el10_1 | ELSA-2026-9638 | Apr 22, 2026 |
| thunderbird · ol 8 | 0:140.9.1-1.0.1.el8_10 | ELSA-2026-9345 | Apr 21, 2026 |
| thunderbird · ol 9 | 0:140.9.1-1.0.1.el9_7 | ELSA-2026-8459 | Apr 16, 2026 |
| thunderbird · rocky 10 | 0:140.9.1-1.el10_1 | RLSA-2026:9638 | Apr 24, 2026 |
| thunderbird · rocky 8 | 0:140.9.1-1.el8_10 | RLSA-2026:9345 | Apr 23, 2026 |
| thunderbird · rocky 9 | 0:140.9.1-1.el9_7 | RLSA-2026:8459 | Apr 19, 2026 |
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