VulnerabilityModified
CVE-2024-3863
The executable file warning was not presented when downloading .xrm-ms files. *Note: This issue only affected Windows operating systems.
CRITICAL 9.8EPSS 0.81%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.81% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1885855Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1885855Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.