CVE-2025-13014: Use After Free
Source GCVE Database
Not known to be exploited · CVSS 8.8 High · fixed in 145 : patch affected systems soon.
Data as of 13 Nov 2026, 20:45 UTC
- Patch
- Available – fixed in 145, 140.5, 115.30
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
AI-suggested
Mozilla has released official fixes for this vulnerability in Firefox 145 and Firefox ESR 140.5. Users and administrators should update affected Firefox and Firefox ESR installations to these versions or later to remediate the issue. No additional mitigation steps are required beyond applying these updates.
Description
CVE-2025-13014 is a use-after-free vulnerability in the Audio/Video component of Firefox. It affects Firefox versions prior to 145 and Firefox ESR versions prior to 140.5 and 115.30. This memory safety issue could potentially lead to arbitrary code execution. Mozilla has fixed this vulnerability in Firefox 145 and Firefox ESR 140.5.
References
- nvd.nist.gov/vuln/detail/CVE-2025-13014 (opens in a new tab)
- bugzilla.mozilla.org/show_bug.cgi?id=1994241 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2025-87 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2025-88 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2025-89 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2025-90 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2025-91 (opens in a new tab)