CVE-2024-9398
Mozilla Firefox ESR and 7 others: Observable Discrepancy
CVE-2024-9398 is fixed in 245 products on 2 platforms, first by Firefox Developer Edition (en-US) 131.0, released September 3, 2024. It is not reported as exploited. Patch Radar priority: Routine.
RoutineFixed on 2 platforms
CVSS
5.3
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0057
47th percentile
By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Firefox Developer Edition (en-US) | 131.0 | Firefox Developer Edition (en-US) 131.0 | Sep 3, 2024 |
| Mozilla Firefox (en-US) | 131.0 | Mozilla Firefox (en-US) 131.0 | Oct 2, 2024 |
| Mozilla Firefox ESR (ach) | 140.3.0 | Mozilla Firefox ESR (ach) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (af) | 140.3.0 | Mozilla Firefox ESR (af) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (an) | 140.3.0 | Mozilla Firefox ESR (an) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ar) | 140.3.0 | Mozilla Firefox ESR (ar) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ast) | 140.3.0 | Mozilla Firefox ESR (ast) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (az) | 140.3.0 | Mozilla Firefox ESR (az) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (be) | 140.3.0 | Mozilla Firefox ESR (be) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (bg) | 140.3.0 | Mozilla Firefox ESR (bg) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (bn) | 140.3.0 | Mozilla Firefox ESR (bn) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (br) | 140.3.0 | Mozilla Firefox ESR (br) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (bs) | 140.3.0 | Mozilla Firefox ESR (bs) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ca) | 140.3.0 | Mozilla Firefox ESR (ca) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ca-valencia) | 140.3.0 | Mozilla Firefox ESR (ca-valencia) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (cak) | 140.3.0 | Mozilla Firefox ESR (cak) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (cs) | 140.3.0 | Mozilla Firefox ESR (cs) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (cy) | 140.3.0 | Mozilla Firefox ESR (cy) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (da) | 140.3.0 | Mozilla Firefox ESR (da) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (de) | 140.3.0 | Mozilla Firefox ESR (de) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (dsb) | 140.3.0 | Mozilla Firefox ESR (dsb) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (el) | 140.3.0 | Mozilla Firefox ESR (el) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (en-CA) | 140.3.0 | Mozilla Firefox ESR (en-CA) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (en-GB) | 140.3.0 | Mozilla Firefox ESR (en-GB) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (en-US) | 140.3.0 | Mozilla Firefox ESR (en-US) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (eo) | 140.3.0 | Mozilla Firefox ESR (eo) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (es-AR) | 140.3.0 | Mozilla Firefox ESR (es-AR) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (es-CL) | 140.3.0 | Mozilla Firefox ESR (es-CL) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (es-ES) | 140.3.0 | Mozilla Firefox ESR (es-ES) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (es-MX) | 140.3.0 | Mozilla Firefox ESR (es-MX) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (et) | 140.3.0 | Mozilla Firefox ESR (et) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (eu) | 140.3.0 | Mozilla Firefox ESR (eu) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fa) | 140.3.0 | Mozilla Firefox ESR (fa) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ff) | 140.3.0 | Mozilla Firefox ESR (ff) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fi) | 140.3.0 | Mozilla Firefox ESR (fi) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fr) | 140.3.0 | Mozilla Firefox ESR (fr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fur) | 140.3.0 | Mozilla Firefox ESR (fur) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (fy-NL) | 140.3.0 | Mozilla Firefox ESR (fy-NL) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ga-IE) | 140.3.0 | Mozilla Firefox ESR (ga-IE) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (gd) | 140.3.0 | Mozilla Firefox ESR (gd) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (gl) | 140.3.0 | Mozilla Firefox ESR (gl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (gn) | 140.3.0 | Mozilla Firefox ESR (gn) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (gu-IN) | 140.3.0 | Mozilla Firefox ESR (gu-IN) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (he) | 140.3.0 | Mozilla Firefox ESR (he) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hi-IN) | 140.3.0 | Mozilla Firefox ESR (hi-IN) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hr) | 140.3.0 | Mozilla Firefox ESR (hr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hsb) | 140.3.0 | Mozilla Firefox ESR (hsb) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hu) | 140.3.0 | Mozilla Firefox ESR (hu) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (hy-AM) | 140.3.0 | Mozilla Firefox ESR (hy-AM) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ia) | 140.3.0 | Mozilla Firefox ESR (ia) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (id) | 140.3.0 | Mozilla Firefox ESR (id) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (is) | 140.3.0 | Mozilla Firefox ESR (is) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (it) | 140.3.0 | Mozilla Firefox ESR (it) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ja) | 140.3.0 | Mozilla Firefox ESR (ja) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ka) | 140.3.0 | Mozilla Firefox ESR (ka) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (kab) | 140.3.0 | Mozilla Firefox ESR (kab) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (kk) | 140.3.0 | Mozilla Firefox ESR (kk) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (km) | 140.3.0 | Mozilla Firefox ESR (km) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (kn) | 140.3.0 | Mozilla Firefox ESR (kn) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ko) | 140.3.0 | Mozilla Firefox ESR (ko) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (lij) | 140.3.0 | Mozilla Firefox ESR (lij) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (lt) | 140.3.0 | Mozilla Firefox ESR (lt) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (lv) | 140.3.0 | Mozilla Firefox ESR (lv) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (mk) | 140.3.0 | Mozilla Firefox ESR (mk) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (mr) | 140.3.0 | Mozilla Firefox ESR (mr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ms) | 140.3.0 | Mozilla Firefox ESR (ms) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (my) | 140.3.0 | Mozilla Firefox ESR (my) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (nb-NO) | 140.3.0 | Mozilla Firefox ESR (nb-NO) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ne-NP) | 140.3.0 | Mozilla Firefox ESR (ne-NP) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (nl) | 140.3.0 | Mozilla Firefox ESR (nl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (nn-NO) | 140.3.0 | Mozilla Firefox ESR (nn-NO) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (oc) | 140.3.0 | Mozilla Firefox ESR (oc) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (pa-IN) | 140.3.0 | Mozilla Firefox ESR (pa-IN) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (pl) | 140.3.0 | Mozilla Firefox ESR (pl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (pt-BR) | 140.3.0 | Mozilla Firefox ESR (pt-BR) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (pt-PT) | 140.3.0 | Mozilla Firefox ESR (pt-PT) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (rm) | 140.3.0 | Mozilla Firefox ESR (rm) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ro) | 140.3.0 | Mozilla Firefox ESR (ro) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ru) | 140.3.0 | Mozilla Firefox ESR (ru) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sat) | 140.13.0 | Mozilla Firefox ESR (sat) 140.13.0 | Jul 20, 2026 |
| Mozilla Firefox ESR (sc) | 140.3.0 | Mozilla Firefox ESR (sc) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sco) | 140.3.0 | Mozilla Firefox ESR (sco) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (si) | 140.3.0 | Mozilla Firefox ESR (si) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sk) | 140.3.0 | Mozilla Firefox ESR (sk) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sl) | 140.3.0 | Mozilla Firefox ESR (sl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (son) | 140.3.0 | Mozilla Firefox ESR (son) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sq) | 140.3.0 | Mozilla Firefox ESR (sq) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sr) | 140.3.0 | Mozilla Firefox ESR (sr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (sv-SE) | 140.3.0 | Mozilla Firefox ESR (sv-SE) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (szl) | 140.3.0 | Mozilla Firefox ESR (szl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ta) | 140.3.0 | Mozilla Firefox ESR (ta) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (te) | 140.3.0 | Mozilla Firefox ESR (te) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (tg) | 140.3.0 | Mozilla Firefox ESR (tg) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (th) | 140.3.0 | Mozilla Firefox ESR (th) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (tl) | 140.3.0 | Mozilla Firefox ESR (tl) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (tr) | 140.3.0 | Mozilla Firefox ESR (tr) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (trs) | 140.3.0 | Mozilla Firefox ESR (trs) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (uk) | 140.3.0 | Mozilla Firefox ESR (uk) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (ur) | 140.3.0 | Mozilla Firefox ESR (ur) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (uz) | 140.3.0 | Mozilla Firefox ESR (uz) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (vi) | 140.3.0 | Mozilla Firefox ESR (vi) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (xh) | 140.3.0 | Mozilla Firefox ESR (xh) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (zh-CN) | 140.3.0 | Mozilla Firefox ESR (zh-CN) 140.3.0 | Sep 16, 2025 |
| Mozilla Firefox ESR (zh-TW) | 140.3.0 | Mozilla Firefox ESR (zh-TW) 140.3.0 | Sep 16, 2025 |
| Mozilla Thunderbird (af) | 136.0 | Mozilla Thunderbird (af) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ar) | 136.0 | Mozilla Thunderbird (ar) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ast) | 136.0 | Mozilla Thunderbird (ast) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (be) | 136.0 | Mozilla Thunderbird (be) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (bg) | 136.0 | Mozilla Thunderbird (bg) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (br) | 136.0 | Mozilla Thunderbird (br) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ca) | 136.0 | Mozilla Thunderbird (ca) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (cs) | 136.0 | Mozilla Thunderbird (cs) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (cy) | 136.0 | Mozilla Thunderbird (cy) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (da) | 136.0 | Mozilla Thunderbird (da) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (de) | 136.0 | Mozilla Thunderbird (de) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (dsb) | 136.0 | Mozilla Thunderbird (dsb) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (el) | 136.0 | Mozilla Thunderbird (el) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (en-CA) | 136.0 | Mozilla Thunderbird (en-CA) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (en-GB) | 136.0 | Mozilla Thunderbird (en-GB) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (en-US) | 136.0 | Mozilla Thunderbird (en-US) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (es-AR) | 136.0 | Mozilla Thunderbird (es-AR) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (es-ES) | 136.0 | Mozilla Thunderbird (es-ES) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (es-MX) | 136.0 | Mozilla Thunderbird (es-MX) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (et) | 136.0 | Mozilla Thunderbird (et) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (eu) | 136.0 | Mozilla Thunderbird (eu) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (fi) | 136.0 | Mozilla Thunderbird (fi) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (fr) | 136.0 | Mozilla Thunderbird (fr) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (fy-NL) | 136.0 | Mozilla Thunderbird (fy-NL) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ga-IE) | 136.0 | Mozilla Thunderbird (ga-IE) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (gd) | 136.0 | Mozilla Thunderbird (gd) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (gl) | 136.0 | Mozilla Thunderbird (gl) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (he) | 136.0 | Mozilla Thunderbird (he) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (hr) | 136.0 | Mozilla Thunderbird (hr) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (hsb) | 136.0 | Mozilla Thunderbird (hsb) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (hu) | 136.0 | Mozilla Thunderbird (hu) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (hy-AM) | 136.0 | Mozilla Thunderbird (hy-AM) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (id) | 136.0 | Mozilla Thunderbird (id) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (is) | 136.0 | Mozilla Thunderbird (is) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (it) | 136.0 | Mozilla Thunderbird (it) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ja) | 136.0 | Mozilla Thunderbird (ja) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ka) | 136.0 | Mozilla Thunderbird (ka) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (kab) | 136.0 | Mozilla Thunderbird (kab) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (kk) | 136.0 | Mozilla Thunderbird (kk) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ko) | 136.0 | Mozilla Thunderbird (ko) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (lt) | 136.0 | Mozilla Thunderbird (lt) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (lv) | 136.0 | Mozilla Thunderbird (lv) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ms) | 136.0 | Mozilla Thunderbird (ms) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (nb-NO) | 136.0 | Mozilla Thunderbird (nb-NO) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (nl) | 136.0 | Mozilla Thunderbird (nl) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (nn-NO) | 136.0 | Mozilla Thunderbird (nn-NO) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (pa-IN) | 136.0 | Mozilla Thunderbird (pa-IN) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (pl) | 136.0 | Mozilla Thunderbird (pl) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (pt-BR) | 136.0 | Mozilla Thunderbird (pt-BR) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (pt-PT) | 136.0 | Mozilla Thunderbird (pt-PT) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (rm) | 136.0 | Mozilla Thunderbird (rm) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ro) | 136.0 | Mozilla Thunderbird (ro) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (ru) | 136.0 | Mozilla Thunderbird (ru) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (sk) | 136.0 | Mozilla Thunderbird (sk) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (sl) | 136.0 | Mozilla Thunderbird (sl) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (sq) | 136.0 | Mozilla Thunderbird (sq) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (sr) | 136.0 | Mozilla Thunderbird (sr) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (sv-SE) | 136.0 | Mozilla Thunderbird (sv-SE) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (th) | 136.0 | Mozilla Thunderbird (th) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (tr) | 136.0 | Mozilla Thunderbird (tr) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (uk) | 136.0 | Mozilla Thunderbird (uk) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (uz) | 136.0 | Mozilla Thunderbird (uz) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (vi) | 136.0 | Mozilla Thunderbird (vi) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (zh-CN) | 136.0 | Mozilla Thunderbird (zh-CN) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird (zh-TW) | 136.0 | Mozilla Thunderbird (zh-TW) 136.0 | Mar 4, 2025 |
| Mozilla Thunderbird ESR (af) | 128.3.0 | Mozilla Thunderbird ESR (af) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ar) | 128.3.0 | Mozilla Thunderbird ESR (ar) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ast) | 128.3.0 | Mozilla Thunderbird ESR (ast) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (be) | 128.3.0 | Mozilla Thunderbird ESR (be) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (bg) | 128.3.0 | Mozilla Thunderbird ESR (bg) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (br) | 128.3.0 | Mozilla Thunderbird ESR (br) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ca) | 128.3.0 | Mozilla Thunderbird ESR (ca) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (cs) | 128.3.0 | Mozilla Thunderbird ESR (cs) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (cy) | 128.3.0 | Mozilla Thunderbird ESR (cy) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (da) | 128.3.0 | Mozilla Thunderbird ESR (da) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (de) | 128.3.0 | Mozilla Thunderbird ESR (de) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (dsb) | 128.3.0 | Mozilla Thunderbird ESR (dsb) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (el) | 128.3.0 | Mozilla Thunderbird ESR (el) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (en-CA) | 128.3.0 | Mozilla Thunderbird ESR (en-CA) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (en-GB) | 128.3.0 | Mozilla Thunderbird ESR (en-GB) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (en-US) | 128.3.0 | Mozilla Thunderbird ESR (en-US) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (es-AR) | 128.3.0 | Mozilla Thunderbird ESR (es-AR) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (es-ES) | 128.3.0 | Mozilla Thunderbird ESR (es-ES) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (es-MX) | 128.3.0 | Mozilla Thunderbird ESR (es-MX) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (et) | 128.3.0 | Mozilla Thunderbird ESR (et) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (eu) | 128.3.0 | Mozilla Thunderbird ESR (eu) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (fi) | 128.3.0 | Mozilla Thunderbird ESR (fi) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (fr) | 128.3.0 | Mozilla Thunderbird ESR (fr) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (fy-NL) | 128.3.0 | Mozilla Thunderbird ESR (fy-NL) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ga-IE) | 128.3.0 | Mozilla Thunderbird ESR (ga-IE) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (gd) | 128.3.0 | Mozilla Thunderbird ESR (gd) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (gl) | 128.3.0 | Mozilla Thunderbird ESR (gl) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (he) | 128.3.0 | Mozilla Thunderbird ESR (he) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (hr) | 128.3.0 | Mozilla Thunderbird ESR (hr) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (hsb) | 128.3.0 | Mozilla Thunderbird ESR (hsb) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (hu) | 128.3.0 | Mozilla Thunderbird ESR (hu) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (hy-AM) | 128.3.0 | Mozilla Thunderbird ESR (hy-AM) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (id) | 128.3.0 | Mozilla Thunderbird ESR (id) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (is) | 128.3.0 | Mozilla Thunderbird ESR (is) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (it) | 128.3.0 | Mozilla Thunderbird ESR (it) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ja) | 128.3.0 | Mozilla Thunderbird ESR (ja) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ka) | 128.3.0 | Mozilla Thunderbird ESR (ka) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (kab) | 128.3.0 | Mozilla Thunderbird ESR (kab) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (kk) | 128.3.0 | Mozilla Thunderbird ESR (kk) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ko) | 128.3.0 | Mozilla Thunderbird ESR (ko) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (lt) | 128.3.0 | Mozilla Thunderbird ESR (lt) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (lv) | 128.3.0 | Mozilla Thunderbird ESR (lv) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ms) | 128.3.0 | Mozilla Thunderbird ESR (ms) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (nb-NO) | 128.3.0 | Mozilla Thunderbird ESR (nb-NO) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (nl) | 128.3.0 | Mozilla Thunderbird ESR (nl) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (nn-NO) | 128.3.0 | Mozilla Thunderbird ESR (nn-NO) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (pa-IN) | 128.3.0 | Mozilla Thunderbird ESR (pa-IN) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (pl) | 128.3.0 | Mozilla Thunderbird ESR (pl) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (pt-BR) | 128.3.0 | Mozilla Thunderbird ESR (pt-BR) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (pt-PT) | 128.3.0 | Mozilla Thunderbird ESR (pt-PT) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (rm) | 128.3.0 | Mozilla Thunderbird ESR (rm) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ro) | 128.3.0 | Mozilla Thunderbird ESR (ro) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (ru) | 128.3.0 | Mozilla Thunderbird ESR (ru) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (sk) | 128.3.0 | Mozilla Thunderbird ESR (sk) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (sl) | 128.3.0 | Mozilla Thunderbird ESR (sl) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (sq) | 128.3.0 | Mozilla Thunderbird ESR (sq) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (sr) | 128.3.0 | Mozilla Thunderbird ESR (sr) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (sv-SE) | 128.3.0 | Mozilla Thunderbird ESR (sv-SE) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (th) | 128.3.0 | Mozilla Thunderbird ESR (th) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (tr) | 128.3.0 | Mozilla Thunderbird ESR (tr) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (uk) | 128.3.0 | Mozilla Thunderbird ESR (uk) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (uz) | 128.3.0 | Mozilla Thunderbird ESR (uz) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (vi) | 128.3.0 | Mozilla Thunderbird ESR (vi) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (zh-CN) | 128.3.0 | Mozilla Thunderbird ESR (zh-CN) 128.3.0 | Oct 2, 2024 |
| Mozilla Thunderbird ESR (zh-TW) | 128.3.0 | Mozilla Thunderbird ESR (zh-TW) 128.3.0 | Oct 2, 2024 |
| Linux | |||
| MozillaFirefox · opensuse-leap 15.6 | 128.3.1-150200.152.155.1 | SUSE-SU-2024:3614-1 | Oct 14, 2024 |
| MozillaFirefox · sles 15.6 | 128.3.1-150200.152.155.1 | SUSE-SU-2024:3614-1 | Oct 14, 2024 |
| MozillaThunderbird · opensuse-leap 15.6 | 128.3.0-150200.8.182.1 | SUSE-SU-2024:3629-1 | Oct 15, 2024 |
| MozillaThunderbird · sles 15.6 | 128.3.0-150200.8.182.1 | SUSE-SU-2024:3629-1 | Oct 15, 2024 |
| firefox · RHEL 8 | 0:128.3.0-1.el8_10 | RHSA-2024:7700 | Oct 7, 2024 |
| firefox · Ubuntu 20.04 LTS (focal) | 131.0+build1.1-0ubuntu0.20.04.1 | firefox 131.0+build1.1-0ubuntu0.20.04.1 | Oct 2, 2024 |
| firefox · almalinux 8 | 128.3.0-1.el8_10.alma.1 | ALSA-2024:7700 | Oct 7, 2024 |
| firefox · ol 8 | 0:128.3.0-1.0.1.el8_10 | ELSA-2024-7700 | Oct 7, 2024 |
| firefox · rocky 8 | 0:128.3.0-1.el8_10 | RLSA-2024:7700 | Oct 25, 2024 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 131.0+build1.1-0ubuntu0.20.04.1 | firefox-geckodriver 131.0+build1.1-0ubuntu0.20.04.1 | Oct 2, 2024 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 131.0+build1.1-0ubuntu0.20.04.1 | firefox-mozsymbols 131.0+build1.1-0ubuntu0.20.04.1 | Oct 2, 2024 |
| thunderbird · Debian 13.5 (trixie) | 1:128.3.0esr-1 | DEBIAN-CVE-2024-9398 | Oct 1, 2024 |
| thunderbird · Debian 14 | 1:128.3.0esr-1 | DEBIAN-CVE-2024-9398 | Oct 1, 2024 |
| thunderbird · RHEL 8 | 0:128.3.0-1.el8_10 | RHSA-2024:7699 | Oct 7, 2024 |
| thunderbird · RHEL 9 | 0:128.3.0-1.el9_4 | RHSA-2024:7552 | Oct 2, 2024 |
| thunderbird · Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | thunderbird 1:140.7.1+build1-0ubuntu0.22.04.1 | Jan 28, 2026 |
| thunderbird · almalinux 8 | 128.3.0-1.el8_10.alma.1 | ALSA-2024:7699 | Oct 7, 2024 |
| thunderbird · almalinux 9 | 128.3.0-1.el9_4.alma.1 | ALSA-2024:7552 | Oct 2, 2024 |
| thunderbird · ol 8 | 0:128.3.0-1.0.1.el8_10 | ELSA-2024-7699 | Oct 7, 2024 |
| thunderbird · ol 9 | 0:128.3.0-1.0.1.el9_4 | ELSA-2024-7552 | Oct 3, 2024 |
| thunderbird · rocky 8 | 0:128.3.0-1.el8_10 | RLSA-2024:7699 | Oct 25, 2024 |
| thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | thunderbird-gnome-support 1:140.7.1+build1-0ubuntu0.22.04.1 | Jan 28, 2026 |
| thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | thunderbird-mozsymbols 1:140.7.1+build1-0ubuntu0.22.04.1 | Jan 28, 2026 |
| xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | xul-ext-calendar-timezones 1:140.7.1+build1-0ubuntu0.22.04.1 | Jan 28, 2026 |
| xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | xul-ext-gdata-provider 1:140.7.1+build1-0ubuntu0.22.04.1 | Jan 28, 2026 |
| xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | xul-ext-lightning 1:140.7.1+build1-0ubuntu0.22.04.1 | Jan 28, 2026 |
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