CVE-2026-3846
Same-origin policy bypass in the CSS Parsing and Computation component
CVE-2026-3846 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: Routine.
RoutineFixed on 2 platforms
CVSS
6.5
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0013
2nd percentile
Same-origin policy bypass in the CSS Parsing and Computation component. 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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