Firefox Web Codecs DS via invalid pointer fixed in 151/140.11
CVE-2026-8968 Published on May 19, 2026
Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component
Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
Vulnerability Analysis
CVE-2026-8968 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-8968 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-8968
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Affected Versions
Mozilla Firefox:- Version 140.11, <= 140.* is unaffected.
- Version 151, <= * is unaffected.
- Version 140.11, <= 140.* is unaffected.
- Version 151, <= * is unaffected.