Firefox WebGPU Uninitialized Memory Disclosure
CVE-2026-16384 Published on July 21, 2026
Information disclosure due to uninitialized memory in the Graphics: WebGPU component
Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Vulnerability Analysis
CVE-2026-16384 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 a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Use of Uninitialized Resource
The software uses or accesses a resource that has not been initialized. When a resource has not been properly initialized, the software may behave unexpectedly. This may lead to a crash or invalid memory access, but the consequences vary depending on the type of resource and how it is used within the software.
Products Associated with CVE-2026-16384
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Affected Versions
Mozilla Firefox:- Version 153, <= * is unaffected.
- Version 153, <= * is unaffected.