Firefox 150 - Invalid Pointer in Audio/Video Playback
CVE-2026-6778 Published on April 21, 2026
Invalid pointer in the Audio/Video: Playback component
Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Vulnerability Analysis
CVE-2026-6778 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 small impact on availability.
Weakness Types
Access of Uninitialized Pointer
The program accesses or uses a pointer that has not been initialized.
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2026-6778
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Affected Versions
Mozilla Firefox:- Version 150, <= * is unaffected.
- Version 150, <= * is unaffected.