CVE-2026-5735
Memory safety bugs fixed in Firefox 149.0.2 and Thunderbird 149.0.2
CVE-2026-5735 is fixed in 437 products on 2 platforms, first by Mozilla Firefox (ach) 149.0.2, released April 7, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
UrgentFixed on 2 platforms
CVSS
9.8
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0027
18th percentile
Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.
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 |
| Mozilla Thunderbird (af) | 149.0.2 | Mozilla Thunderbird (af) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ar) | 149.0.2 | Mozilla Thunderbird (ar) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ast) | 149.0.2 | Mozilla Thunderbird (ast) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (be) | 149.0.2 | Mozilla Thunderbird (be) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (bg) | 149.0.2 | Mozilla Thunderbird (bg) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (br) | 149.0.2 | Mozilla Thunderbird (br) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ca) | 149.0.2 | Mozilla Thunderbird (ca) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (cak) | 149.0.2 | Mozilla Thunderbird (cak) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (cs) | 149.0.2 | Mozilla Thunderbird (cs) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (cy) | 149.0.2 | Mozilla Thunderbird (cy) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (da) | 149.0.2 | Mozilla Thunderbird (da) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (de) | 149.0.2 | Mozilla Thunderbird (de) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (dsb) | 149.0.2 | Mozilla Thunderbird (dsb) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (el) | 149.0.2 | Mozilla Thunderbird (el) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (en-CA) | 149.0.2 | Mozilla Thunderbird (en-CA) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (en-GB) | 149.0.2 | Mozilla Thunderbird (en-GB) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (en-US) | 149.0.2 | Mozilla Thunderbird (en-US) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (es-AR) | 149.0.2 | Mozilla Thunderbird (es-AR) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (es-ES) | 149.0.2 | Mozilla Thunderbird (es-ES) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (es-MX) | 149.0.2 | Mozilla Thunderbird (es-MX) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (et) | 149.0.2 | Mozilla Thunderbird (et) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (eu) | 149.0.2 | Mozilla Thunderbird (eu) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (fi) | 149.0.2 | Mozilla Thunderbird (fi) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (fr) | 149.0.2 | Mozilla Thunderbird (fr) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (fy-NL) | 149.0.2 | Mozilla Thunderbird (fy-NL) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ga-IE) | 149.0.2 | Mozilla Thunderbird (ga-IE) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (gd) | 149.0.2 | Mozilla Thunderbird (gd) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (gl) | 149.0.2 | Mozilla Thunderbird (gl) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (he) | 149.0.2 | Mozilla Thunderbird (he) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (hr) | 149.0.2 | Mozilla Thunderbird (hr) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (hsb) | 149.0.2 | Mozilla Thunderbird (hsb) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (hu) | 149.0.2 | Mozilla Thunderbird (hu) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (hy-AM) | 149.0.2 | Mozilla Thunderbird (hy-AM) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (id) | 149.0.2 | Mozilla Thunderbird (id) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (is) | 149.0.2 | Mozilla Thunderbird (is) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (it) | 149.0.2 | Mozilla Thunderbird (it) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ja) | 149.0.2 | Mozilla Thunderbird (ja) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ka) | 149.0.2 | Mozilla Thunderbird (ka) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (kab) | 149.0.2 | Mozilla Thunderbird (kab) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (kk) | 149.0.2 | Mozilla Thunderbird (kk) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ko) | 149.0.2 | Mozilla Thunderbird (ko) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (lt) | 149.0.2 | Mozilla Thunderbird (lt) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (lv) | 149.0.2 | Mozilla Thunderbird (lv) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ms) | 149.0.2 | Mozilla Thunderbird (ms) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (nb-NO) | 149.0.2 | Mozilla Thunderbird (nb-NO) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (nl) | 149.0.2 | Mozilla Thunderbird (nl) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (nn-NO) | 149.0.2 | Mozilla Thunderbird (nn-NO) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (pa-IN) | 149.0.2 | Mozilla Thunderbird (pa-IN) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (pl) | 149.0.2 | Mozilla Thunderbird (pl) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (pt-BR) | 149.0.2 | Mozilla Thunderbird (pt-BR) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (pt-PT) | 149.0.2 | Mozilla Thunderbird (pt-PT) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (rm) | 149.0.2 | Mozilla Thunderbird (rm) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ro) | 149.0.2 | Mozilla Thunderbird (ro) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (ru) | 149.0.2 | Mozilla Thunderbird (ru) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (sk) | 149.0.2 | Mozilla Thunderbird (sk) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (sl) | 149.0.2 | Mozilla Thunderbird (sl) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (sq) | 149.0.2 | Mozilla Thunderbird (sq) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (sr) | 149.0.2 | Mozilla Thunderbird (sr) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (sv-SE) | 149.0.2 | Mozilla Thunderbird (sv-SE) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (th) | 149.0.2 | Mozilla Thunderbird (th) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (tr) | 149.0.2 | Mozilla Thunderbird (tr) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (uk) | 149.0.2 | Mozilla Thunderbird (uk) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (uz) | 149.0.2 | Mozilla Thunderbird (uz) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (vi) | 149.0.2 | Mozilla Thunderbird (vi) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (zh-CN) | 149.0.2 | Mozilla Thunderbird (zh-CN) 149.0.2 | Apr 7, 2026 |
| Mozilla Thunderbird (zh-TW) | 149.0.2 | Mozilla Thunderbird (zh-TW) 149.0.2 | Apr 7, 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 | 150.0.2 | Mozilla Firefox 150.0.2 | May 6, 2026 |
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