CVE-2024-3863

State: Published
Severity: 9.8 Critical
Published: Apr 16, 2024
Updated: Aug 22, 2025
Reserved: Apr 15, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-434 Unrestricted Upload of File with Dangerous Type

Affected Products

Product	Versions
FirefoxMozilla	before 125Affected
Firefox ESRMozilla	before 115.10Affected
ThunderbirdMozilla	before 115.10Affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1885855
https://www.mozilla.org/security/advisories/mfsa2024-18/
https://www.mozilla.org/security/advisories/mfsa2024-19/
https://www.mozilla.org/security/advisories/mfsa2024-20/

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