Graphics Pointer Spoofing in Mozilla Firefox & Thunderbird
CVE-2026-92051 Published on September 15, 2026
Spoofing issue due to invalid pointer in the Graphics component
Spoofing issue due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
Vulnerability Analysis
CVE-2026-92051 can be exploited 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, a high impact on integrity and availability.
Weakness Type
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-2026-92051
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Affected Versions
Mozilla Firefox:- Version 156, <= * is unaffected.
- Version 156, <= * is unaffected.