CVE-2026-3847
Memory safety bugs fixed in Firefox 148.0.2
CVE-2026-3847 is fixed in 305 products on 2 platforms, first by Mozilla Firefox (ach) 148.0.2, released March 10, 2026. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
8.8
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0036
29th percentile
Memory safety bugs present in Firefox 148.0.2. 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 148.0.2.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Firefox Developer Edition (ach) | 149.0 | Firefox Developer Edition (ach) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (af) | 149.0 | Firefox Developer Edition (af) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (an) | 149.0 | Firefox Developer Edition (an) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ar) | 149.0 | Firefox Developer Edition (ar) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ast) | 149.0 | Firefox Developer Edition (ast) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (az) | 149.0 | Firefox Developer Edition (az) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (be) | 149.0 | Firefox Developer Edition (be) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (bg) | 149.0 | Firefox Developer Edition (bg) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (bn) | 149.0 | Firefox Developer Edition (bn) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (br) | 149.0 | Firefox Developer Edition (br) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (bs) | 149.0 | Firefox Developer Edition (bs) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ca) | 149.0 | Firefox Developer Edition (ca) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ca-valencia) | 149.0 | Firefox Developer Edition (ca-valencia) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (cak) | 149.0 | Firefox Developer Edition (cak) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (cs) | 149.0 | Firefox Developer Edition (cs) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (cy) | 149.0 | Firefox Developer Edition (cy) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (da) | 149.0 | Firefox Developer Edition (da) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (de) | 149.0 | Firefox Developer Edition (de) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (dsb) | 149.0 | Firefox Developer Edition (dsb) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (el) | 149.0 | Firefox Developer Edition (el) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (en-CA) | 149.0 | Firefox Developer Edition (en-CA) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (en-GB) | 149.0 | Firefox Developer Edition (en-GB) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (en-US) | 149.0 | Firefox Developer Edition (en-US) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (eo) | 149.0 | Firefox Developer Edition (eo) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (es-AR) | 149.0 | Firefox Developer Edition (es-AR) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (es-CL) | 149.0 | Firefox Developer Edition (es-CL) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (es-ES) | 149.0 | Firefox Developer Edition (es-ES) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (es-MX) | 149.0 | Firefox Developer Edition (es-MX) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (et) | 149.0 | Firefox Developer Edition (et) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (eu) | 149.0 | Firefox Developer Edition (eu) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (fa) | 149.0 | Firefox Developer Edition (fa) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ff) | 149.0 | Firefox Developer Edition (ff) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (fi) | 149.0 | Firefox Developer Edition (fi) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (fr) | 149.0 | Firefox Developer Edition (fr) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (fur) | 149.0 | Firefox Developer Edition (fur) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (fy-NL) | 149.0 | Firefox Developer Edition (fy-NL) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ga-IE) | 149.0 | Firefox Developer Edition (ga-IE) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (gd) | 149.0 | Firefox Developer Edition (gd) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (gl) | 149.0 | Firefox Developer Edition (gl) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (gn) | 149.0 | Firefox Developer Edition (gn) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (gu-IN) | 149.0 | Firefox Developer Edition (gu-IN) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (he) | 149.0 | Firefox Developer Edition (he) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (hi-IN) | 149.0 | Firefox Developer Edition (hi-IN) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (hr) | 149.0 | Firefox Developer Edition (hr) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (hsb) | 149.0 | Firefox Developer Edition (hsb) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (hu) | 149.0 | Firefox Developer Edition (hu) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (hy-AM) | 149.0 | Firefox Developer Edition (hy-AM) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ia) | 149.0 | Firefox Developer Edition (ia) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (id) | 149.0 | Firefox Developer Edition (id) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (is) | 149.0 | Firefox Developer Edition (is) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (it) | 149.0 | Firefox Developer Edition (it) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ja) | 149.0 | Firefox Developer Edition (ja) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ka) | 149.0 | Firefox Developer Edition (ka) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (kab) | 149.0 | Firefox Developer Edition (kab) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (kk) | 149.0 | Firefox Developer Edition (kk) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (km) | 149.0 | Firefox Developer Edition (km) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (kn) | 149.0 | Firefox Developer Edition (kn) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ko) | 149.0 | Firefox Developer Edition (ko) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (lij) | 149.0 | Firefox Developer Edition (lij) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (lt) | 149.0 | Firefox Developer Edition (lt) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (lv) | 149.0 | Firefox Developer Edition (lv) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (mk) | 149.0 | Firefox Developer Edition (mk) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (mr) | 149.0 | Firefox Developer Edition (mr) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ms) | 149.0 | Firefox Developer Edition (ms) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (my) | 149.0 | Firefox Developer Edition (my) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (nb-NO) | 149.0 | Firefox Developer Edition (nb-NO) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ne-NP) | 149.0 | Firefox Developer Edition (ne-NP) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (nl) | 149.0 | Firefox Developer Edition (nl) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (nn-NO) | 149.0 | Firefox Developer Edition (nn-NO) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (oc) | 149.0 | Firefox Developer Edition (oc) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (pa-IN) | 149.0 | Firefox Developer Edition (pa-IN) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (pl) | 149.0 | Firefox Developer Edition (pl) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (pt-BR) | 149.0 | Firefox Developer Edition (pt-BR) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (pt-PT) | 149.0 | Firefox Developer Edition (pt-PT) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (rm) | 149.0 | Firefox Developer Edition (rm) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ro) | 149.0 | Firefox Developer Edition (ro) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ru) | 149.0 | Firefox Developer Edition (ru) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (sc) | 149.0 | Firefox Developer Edition (sc) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (sco) | 149.0 | Firefox Developer Edition (sco) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (si) | 149.0 | Firefox Developer Edition (si) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (sk) | 149.0 | Firefox Developer Edition (sk) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (sl) | 149.0 | Firefox Developer Edition (sl) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (son) | 149.0 | Firefox Developer Edition (son) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (sq) | 149.0 | Firefox Developer Edition (sq) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (sr) | 149.0 | Firefox Developer Edition (sr) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (sv-SE) | 149.0 | Firefox Developer Edition (sv-SE) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (szl) | 149.0 | Firefox Developer Edition (szl) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ta) | 149.0 | Firefox Developer Edition (ta) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (te) | 149.0 | Firefox Developer Edition (te) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (tg) | 149.0 | Firefox Developer Edition (tg) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (th) | 149.0 | Firefox Developer Edition (th) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (tl) | 149.0 | Firefox Developer Edition (tl) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (tr) | 149.0 | Firefox Developer Edition (tr) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (trs) | 149.0 | Firefox Developer Edition (trs) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (uk) | 149.0 | Firefox Developer Edition (uk) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (ur) | 149.0 | Firefox Developer Edition (ur) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (uz) | 149.0 | Firefox Developer Edition (uz) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (vi) | 149.0 | Firefox Developer Edition (vi) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (xh) | 149.0 | Firefox Developer Edition (xh) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (zh-CN) | 149.0 | Firefox Developer Edition (zh-CN) 149.0 | Mar 13, 2026 |
| Firefox Developer Edition (zh-TW) | 149.0 | Firefox Developer Edition (zh-TW) 149.0 | Mar 13, 2026 |
| Mozilla Firefox (ach) | 148.0.2 | Mozilla Firefox (ach) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (af) | 148.0.2 | Mozilla Firefox (af) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (an) | 148.0.2 | Mozilla Firefox (an) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ar) | 148.0.2 | Mozilla Firefox (ar) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ast) | 148.0.2 | Mozilla Firefox (ast) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (az) | 148.0.2 | Mozilla Firefox (az) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (be) | 148.0.2 | Mozilla Firefox (be) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (bg) | 148.0.2 | Mozilla Firefox (bg) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (bn) | 148.0.2 | Mozilla Firefox (bn) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (br) | 148.0.2 | Mozilla Firefox (br) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (bs) | 148.0.2 | Mozilla Firefox (bs) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ca) | 148.0.2 | Mozilla Firefox (ca) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ca-valencia) | 148.0.2 | Mozilla Firefox (ca-valencia) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (cak) | 148.0.2 | Mozilla Firefox (cak) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (cs) | 148.0.2 | Mozilla Firefox (cs) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (cy) | 148.0.2 | Mozilla Firefox (cy) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (da) | 148.0.2 | Mozilla Firefox (da) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (de) | 148.0.2 | Mozilla Firefox (de) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (dsb) | 148.0.2 | Mozilla Firefox (dsb) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (el) | 148.0.2 | Mozilla Firefox (el) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (en-CA) | 148.0.2 | Mozilla Firefox (en-CA) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (en-GB) | 148.0.2 | Mozilla Firefox (en-GB) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (en-US) | 148.0.2 | Mozilla Firefox (en-US) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (eo) | 148.0.2 | Mozilla Firefox (eo) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (es-AR) | 148.0.2 | Mozilla Firefox (es-AR) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (es-CL) | 148.0.2 | Mozilla Firefox (es-CL) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (es-ES) | 148.0.2 | Mozilla Firefox (es-ES) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (es-MX) | 148.0.2 | Mozilla Firefox (es-MX) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (et) | 148.0.2 | Mozilla Firefox (et) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (eu) | 148.0.2 | Mozilla Firefox (eu) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (fa) | 148.0.2 | Mozilla Firefox (fa) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ff) | 148.0.2 | Mozilla Firefox (ff) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (fi) | 148.0.2 | Mozilla Firefox (fi) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (fr) | 148.0.2 | Mozilla Firefox (fr) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (fur) | 148.0.2 | Mozilla Firefox (fur) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (fy-NL) | 148.0.2 | Mozilla Firefox (fy-NL) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ga-IE) | 148.0.2 | Mozilla Firefox (ga-IE) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (gd) | 148.0.2 | Mozilla Firefox (gd) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (gl) | 148.0.2 | Mozilla Firefox (gl) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (gn) | 148.0.2 | Mozilla Firefox (gn) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (gu-IN) | 148.0.2 | Mozilla Firefox (gu-IN) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (he) | 148.0.2 | Mozilla Firefox (he) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (hi-IN) | 148.0.2 | Mozilla Firefox (hi-IN) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (hr) | 148.0.2 | Mozilla Firefox (hr) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (hsb) | 148.0.2 | Mozilla Firefox (hsb) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (hu) | 148.0.2 | Mozilla Firefox (hu) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (hy-AM) | 148.0.2 | Mozilla Firefox (hy-AM) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ia) | 148.0.2 | Mozilla Firefox (ia) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (id) | 148.0.2 | Mozilla Firefox (id) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (is) | 148.0.2 | Mozilla Firefox (is) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (it) | 148.0.2 | Mozilla Firefox (it) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ja) | 148.0.2 | Mozilla Firefox (ja) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ka) | 148.0.2 | Mozilla Firefox (ka) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (kab) | 148.0.2 | Mozilla Firefox (kab) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (kk) | 148.0.2 | Mozilla Firefox (kk) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (km) | 148.0.2 | Mozilla Firefox (km) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (kn) | 148.0.2 | Mozilla Firefox (kn) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ko) | 148.0.2 | Mozilla Firefox (ko) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (lij) | 148.0.2 | Mozilla Firefox (lij) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (lt) | 148.0.2 | Mozilla Firefox (lt) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (lv) | 148.0.2 | Mozilla Firefox (lv) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (mk) | 148.0.2 | Mozilla Firefox (mk) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (mr) | 148.0.2 | Mozilla Firefox (mr) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ms) | 148.0.2 | Mozilla Firefox (ms) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (my) | 148.0.2 | Mozilla Firefox (my) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (nb-NO) | 148.0.2 | Mozilla Firefox (nb-NO) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ne-NP) | 148.0.2 | Mozilla Firefox (ne-NP) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (nl) | 148.0.2 | Mozilla Firefox (nl) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (nn-NO) | 148.0.2 | Mozilla Firefox (nn-NO) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (oc) | 148.0.2 | Mozilla Firefox (oc) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (pa-IN) | 148.0.2 | Mozilla Firefox (pa-IN) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (pl) | 148.0.2 | Mozilla Firefox (pl) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (pt-BR) | 148.0.2 | Mozilla Firefox (pt-BR) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (pt-PT) | 148.0.2 | Mozilla Firefox (pt-PT) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (rm) | 148.0.2 | Mozilla Firefox (rm) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ro) | 148.0.2 | Mozilla Firefox (ro) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ru) | 148.0.2 | Mozilla Firefox (ru) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (sc) | 148.0.2 | Mozilla Firefox (sc) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (sco) | 148.0.2 | Mozilla Firefox (sco) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (si) | 148.0.2 | Mozilla Firefox (si) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (sk) | 148.0.2 | Mozilla Firefox (sk) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (sl) | 148.0.2 | Mozilla Firefox (sl) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (son) | 148.0.2 | Mozilla Firefox (son) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (sq) | 148.0.2 | Mozilla Firefox (sq) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (sr) | 148.0.2 | Mozilla Firefox (sr) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (sv-SE) | 148.0.2 | Mozilla Firefox (sv-SE) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (szl) | 148.0.2 | Mozilla Firefox (szl) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ta) | 148.0.2 | Mozilla Firefox (ta) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (te) | 148.0.2 | Mozilla Firefox (te) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (tg) | 148.0.2 | Mozilla Firefox (tg) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (th) | 148.0.2 | Mozilla Firefox (th) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (tl) | 148.0.2 | Mozilla Firefox (tl) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (tr) | 148.0.2 | Mozilla Firefox (tr) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (trs) | 148.0.2 | Mozilla Firefox (trs) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (uk) | 148.0.2 | Mozilla Firefox (uk) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (ur) | 148.0.2 | Mozilla Firefox (ur) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (uz) | 148.0.2 | Mozilla Firefox (uz) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (vi) | 148.0.2 | Mozilla Firefox (vi) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (xh) | 148.0.2 | Mozilla Firefox (xh) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (zh-CN) | 148.0.2 | Mozilla Firefox (zh-CN) 148.0.2 | Mar 10, 2026 |
| Mozilla Firefox (zh-TW) | 148.0.2 | Mozilla Firefox (zh-TW) 148.0.2 | Mar 10, 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 |
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