Uninitialized Memory Issue in Firefox WebGPU Component
CVE-2026-124920

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 10 November 2026

What is CVE-2026-124920?

This vulnerability involves uninitialized memory in the WebGPU component of Firefox, which may lead to unexpected behavior and potential information exposure. Mozilla has addressed this issue in Firefox version 160, enhancing the security of the affected component.

Affected Version(s)

Firefox 160

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2062097

https://www.mozilla.org/security/advisories/mfsa2026-125/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Nov 10, 2026
Vulnerability Reserved
Nov 9, 2026

Credit

Samuel Erwin

CVE-2026-124920 Data

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