CVE-2024-3863

Mozilla Firefox ESR and 5 others: Unrestricted Upload of File with Dangerous Type

CVE-2024-3863 is fixed in 168 products on 2 platforms, first by Mozilla Thunderbird (af) 115.10.0, released April 16, 2024. 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
0.0081
57th percentile

The executable file warning was not presented when downloading .xrm-ms files. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Mozilla Firefox (en-US) 125.0.1 Mozilla Firefox (en-US) 125.0.1 Apr 17, 2024
Mozilla Firefox ESR (ach) 128.3.0 Mozilla Firefox ESR (ach) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (af) 128.3.0 Mozilla Firefox ESR (af) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (an) 128.3.0 Mozilla Firefox ESR (an) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ar) 128.3.0 Mozilla Firefox ESR (ar) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ast) 128.3.0 Mozilla Firefox ESR (ast) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (az) 128.3.0 Mozilla Firefox ESR (az) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (be) 128.3.0 Mozilla Firefox ESR (be) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bg) 128.3.0 Mozilla Firefox ESR (bg) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bn) 128.3.0 Mozilla Firefox ESR (bn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (br) 128.3.0 Mozilla Firefox ESR (br) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bs) 128.3.0 Mozilla Firefox ESR (bs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ca) 128.3.0 Mozilla Firefox ESR (ca) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ca-valencia) 128.3.0 Mozilla Firefox ESR (ca-valencia) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cak) 128.3.0 Mozilla Firefox ESR (cak) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cs) 128.3.0 Mozilla Firefox ESR (cs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cy) 128.3.0 Mozilla Firefox ESR (cy) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (da) 128.3.0 Mozilla Firefox ESR (da) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (de) 128.3.0 Mozilla Firefox ESR (de) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (dsb) 128.3.0 Mozilla Firefox ESR (dsb) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (el) 128.3.0 Mozilla Firefox ESR (el) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-CA) 128.3.0 Mozilla Firefox ESR (en-CA) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-GB) 128.3.0 Mozilla Firefox ESR (en-GB) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-US) 128.3.0 Mozilla Firefox ESR (en-US) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (eo) 128.3.0 Mozilla Firefox ESR (eo) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-AR) 128.3.0 Mozilla Firefox ESR (es-AR) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-CL) 128.3.0 Mozilla Firefox ESR (es-CL) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-ES) 128.3.0 Mozilla Firefox ESR (es-ES) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-MX) 128.3.0 Mozilla Firefox ESR (es-MX) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (et) 128.3.0 Mozilla Firefox ESR (et) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (eu) 128.3.0 Mozilla Firefox ESR (eu) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fa) 128.3.0 Mozilla Firefox ESR (fa) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ff) 128.3.0 Mozilla Firefox ESR (ff) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fi) 128.3.0 Mozilla Firefox ESR (fi) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fr) 128.3.0 Mozilla Firefox ESR (fr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fur) 128.3.0 Mozilla Firefox ESR (fur) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fy-NL) 128.3.0 Mozilla Firefox ESR (fy-NL) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ga-IE) 128.3.0 Mozilla Firefox ESR (ga-IE) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gd) 128.3.0 Mozilla Firefox ESR (gd) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gl) 128.3.0 Mozilla Firefox ESR (gl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gn) 128.3.0 Mozilla Firefox ESR (gn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gu-IN) 128.3.0 Mozilla Firefox ESR (gu-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (he) 128.3.0 Mozilla Firefox ESR (he) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hi-IN) 128.3.0 Mozilla Firefox ESR (hi-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hr) 128.3.0 Mozilla Firefox ESR (hr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hsb) 128.3.0 Mozilla Firefox ESR (hsb) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hu) 128.3.0 Mozilla Firefox ESR (hu) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hy-AM) 128.3.0 Mozilla Firefox ESR (hy-AM) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ia) 128.3.0 Mozilla Firefox ESR (ia) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (id) 128.3.0 Mozilla Firefox ESR (id) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (is) 128.3.0 Mozilla Firefox ESR (is) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (it) 128.3.0 Mozilla Firefox ESR (it) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ja) 128.3.0 Mozilla Firefox ESR (ja) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ka) 128.3.0 Mozilla Firefox ESR (ka) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kab) 128.3.0 Mozilla Firefox ESR (kab) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kk) 128.3.0 Mozilla Firefox ESR (kk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (km) 128.3.0 Mozilla Firefox ESR (km) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kn) 128.3.0 Mozilla Firefox ESR (kn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ko) 128.3.0 Mozilla Firefox ESR (ko) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lij) 128.3.0 Mozilla Firefox ESR (lij) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lt) 128.3.0 Mozilla Firefox ESR (lt) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lv) 128.3.0 Mozilla Firefox ESR (lv) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (mk) 128.3.0 Mozilla Firefox ESR (mk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (mr) 128.3.0 Mozilla Firefox ESR (mr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ms) 128.3.0 Mozilla Firefox ESR (ms) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (my) 128.3.0 Mozilla Firefox ESR (my) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nb-NO) 128.3.0 Mozilla Firefox ESR (nb-NO) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ne-NP) 128.3.0 Mozilla Firefox ESR (ne-NP) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nl) 128.3.0 Mozilla Firefox ESR (nl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nn-NO) 128.3.0 Mozilla Firefox ESR (nn-NO) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (oc) 128.3.0 Mozilla Firefox ESR (oc) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pa-IN) 128.3.0 Mozilla Firefox ESR (pa-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pl) 128.3.0 Mozilla Firefox ESR (pl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pt-BR) 128.3.0 Mozilla Firefox ESR (pt-BR) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pt-PT) 128.3.0 Mozilla Firefox ESR (pt-PT) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (rm) 128.3.0 Mozilla Firefox ESR (rm) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ro) 128.3.0 Mozilla Firefox ESR (ro) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ru) 128.3.0 Mozilla Firefox ESR (ru) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sc) 128.3.0 Mozilla Firefox ESR (sc) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sco) 128.3.0 Mozilla Firefox ESR (sco) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (si) 128.3.0 Mozilla Firefox ESR (si) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sk) 128.3.0 Mozilla Firefox ESR (sk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sl) 128.3.0 Mozilla Firefox ESR (sl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (son) 128.3.0 Mozilla Firefox ESR (son) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sq) 128.3.0 Mozilla Firefox ESR (sq) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sr) 128.3.0 Mozilla Firefox ESR (sr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sv-SE) 128.3.0 Mozilla Firefox ESR (sv-SE) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (szl) 128.3.0 Mozilla Firefox ESR (szl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ta) 128.3.0 Mozilla Firefox ESR (ta) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (te) 128.3.0 Mozilla Firefox ESR (te) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tg) 128.3.0 Mozilla Firefox ESR (tg) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (th) 128.3.0 Mozilla Firefox ESR (th) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tl) 128.3.0 Mozilla Firefox ESR (tl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tr) 128.3.0 Mozilla Firefox ESR (tr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (trs) 128.3.0 Mozilla Firefox ESR (trs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (uk) 128.3.0 Mozilla Firefox ESR (uk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ur) 128.3.0 Mozilla Firefox ESR (ur) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (uz) 128.3.0 Mozilla Firefox ESR (uz) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (vi) 128.3.0 Mozilla Firefox ESR (vi) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (xh) 128.3.0 Mozilla Firefox ESR (xh) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (zh-CN) 128.3.0 Mozilla Firefox ESR (zh-CN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (zh-TW) 128.3.0 Mozilla Firefox ESR (zh-TW) 128.3.0 Oct 1, 2024
Mozilla Thunderbird (af) 115.10.0 Mozilla Thunderbird (af) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ar) 115.10.0 Mozilla Thunderbird (ar) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ast) 115.10.0 Mozilla Thunderbird (ast) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (be) 115.10.0 Mozilla Thunderbird (be) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (bg) 115.10.0 Mozilla Thunderbird (bg) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (br) 115.10.0 Mozilla Thunderbird (br) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ca) 115.10.0 Mozilla Thunderbird (ca) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (cs) 115.10.0 Mozilla Thunderbird (cs) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (cy) 115.10.0 Mozilla Thunderbird (cy) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (da) 115.10.0 Mozilla Thunderbird (da) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (de) 115.10.0 Mozilla Thunderbird (de) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (dsb) 115.10.0 Mozilla Thunderbird (dsb) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (el) 115.10.0 Mozilla Thunderbird (el) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (en-CA) 115.10.0 Mozilla Thunderbird (en-CA) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (en-GB) 115.10.0 Mozilla Thunderbird (en-GB) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (en-US) 115.10.0 Mozilla Thunderbird (en-US) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (es-AR) 115.10.0 Mozilla Thunderbird (es-AR) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (es-ES) 115.10.0 Mozilla Thunderbird (es-ES) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (es-MX) 115.10.0 Mozilla Thunderbird (es-MX) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (et) 115.10.0 Mozilla Thunderbird (et) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (eu) 115.10.0 Mozilla Thunderbird (eu) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (fi) 115.10.0 Mozilla Thunderbird (fi) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (fr) 115.10.0 Mozilla Thunderbird (fr) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (fy-NL) 115.10.0 Mozilla Thunderbird (fy-NL) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ga-IE) 115.10.0 Mozilla Thunderbird (ga-IE) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (gd) 115.10.0 Mozilla Thunderbird (gd) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (gl) 115.10.0 Mozilla Thunderbird (gl) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (he) 115.10.0 Mozilla Thunderbird (he) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (hr) 115.10.0 Mozilla Thunderbird (hr) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (hsb) 115.10.0 Mozilla Thunderbird (hsb) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (hu) 115.10.0 Mozilla Thunderbird (hu) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (hy-AM) 115.10.0 Mozilla Thunderbird (hy-AM) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (id) 115.10.0 Mozilla Thunderbird (id) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (is) 115.10.0 Mozilla Thunderbird (is) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (it) 115.10.0 Mozilla Thunderbird (it) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ja) 115.10.0 Mozilla Thunderbird (ja) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ka) 115.10.0 Mozilla Thunderbird (ka) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (kab) 115.10.0 Mozilla Thunderbird (kab) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (kk) 115.10.0 Mozilla Thunderbird (kk) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ko) 115.10.0 Mozilla Thunderbird (ko) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (lt) 115.10.0 Mozilla Thunderbird (lt) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (lv) 115.10.0 Mozilla Thunderbird (lv) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ms) 115.10.0 Mozilla Thunderbird (ms) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (nb-NO) 115.10.0 Mozilla Thunderbird (nb-NO) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (nl) 115.10.0 Mozilla Thunderbird (nl) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (nn-NO) 115.10.0 Mozilla Thunderbird (nn-NO) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (pa-IN) 115.10.0 Mozilla Thunderbird (pa-IN) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (pl) 115.10.0 Mozilla Thunderbird (pl) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (pt-BR) 115.10.0 Mozilla Thunderbird (pt-BR) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (pt-PT) 115.10.0 Mozilla Thunderbird (pt-PT) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (rm) 115.10.0 Mozilla Thunderbird (rm) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ro) 115.10.0 Mozilla Thunderbird (ro) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (ru) 115.10.0 Mozilla Thunderbird (ru) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (sk) 115.10.0 Mozilla Thunderbird (sk) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (sl) 115.10.0 Mozilla Thunderbird (sl) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (sq) 115.10.0 Mozilla Thunderbird (sq) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (sr) 115.10.0 Mozilla Thunderbird (sr) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (sv-SE) 115.10.0 Mozilla Thunderbird (sv-SE) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (th) 115.10.0 Mozilla Thunderbird (th) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (tr) 115.10.0 Mozilla Thunderbird (tr) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (uk) 115.10.0 Mozilla Thunderbird (uk) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (uz) 115.10.0 Mozilla Thunderbird (uz) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (vi) 115.10.0 Mozilla Thunderbird (vi) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (zh-CN) 115.10.0 Mozilla Thunderbird (zh-CN) 115.10.0 Apr 16, 2024
Mozilla Thunderbird (zh-TW) 115.10.0 Mozilla Thunderbird (zh-TW) 115.10.0 Apr 16, 2024
Linux
MozillaFirefox · opensuse-leap 15.6 115.11.0-150200.152.137.2 SUSE-SU-2024:1770-1 May 23, 2024
MozillaFirefox · sles 15.6 115.11.0-150200.152.137.2 SUSE-SU-2024:1770-1 May 23, 2024

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