CVE-2025-11708
CRITICAL severity · CVSS 9.8 · Use-after-free
9.8CVSS CRITICAL
Summary
Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2025-81/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-83/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-84/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-85/Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1988931
- https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html