CVE-2025-11708

CRITICAL

Firefox < 144.0 and 140.4-140.* - Use-After-Free in MediaTrackGraphImpl

Title source: llm

Description

Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

References (7)

Core 7

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html

Mailing List

https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html

Issue Tracking, Permissions Required

https://bugzilla.mozilla.org/show_bug.cgi?id=1988931

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2025-81/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2025-83/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2025-84/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2025-85/

Scores

CVSS v3 9.8

EPSS 0.0009

EPSS Percentile 25.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-416

Status published

Products (7)

mozilla/firefox < 140.4.0

mozilla/firefox < 144.0

Mozilla/Firefox 140.4 - 140.*

Mozilla/Firefox 144

mozilla/thunderbird < 140.4.0

Mozilla/Thunderbird 140.4 - 140.*

Mozilla/Thunderbird 144

Published Oct 14, 2025

Tracked Since Feb 18, 2026