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.
CVE-2024-3863
CVSS base score
9.8 (v3.1)
Severity
CRITICAL
Attack vector
Network
Weakness
CWE-434
Last modified
November 3, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
mozilla firefox
mozilla thunderbird
References
- bugzilla.mozilla.org Issue Tracking
- www.mozilla.org Vendor Advisory
- www.mozilla.org Vendor Advisory
- www.mozilla.org Vendor Advisory
- bugzilla.mozilla.org Issue Tracking
- www.mozilla.org Vendor Advisory
- www.mozilla.org Vendor Advisory
- www.mozilla.org Vendor Advisory