CVE-2026-100806
Received Received - Intake

Uninitialized Memory in Firefox WebGPU Component

Publication date: 2026-09-29

Last updated on: 2026-09-29

Assigner: Mozilla Corporation

Description
Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.

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Meta Information

Published
2026-09-29
Last Modified
2026-09-29
Generated
2026-09-29
AI Q&A
2026-09-29
EPSS Evaluated
N/A
NVD
CVE-2026-100806
EUVD
EUVD-2026-88785

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
mozilla firefox to 153.4 (inc)
mozilla firefox 157
mozilla firefox to 157 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves uninitialized memory in the Graphics: WebGPU component of Firefox. Uninitialized memory means the software uses memory that hasn't been cleared or set to a default value, which could expose sensitive data or cause unexpected behavior.

Impact Analysis

An attacker could exploit this to read sensitive data from memory, crash the browser, or execute arbitrary code. Users running affected Firefox versions may face stability issues or potential data leaks.

Mitigation Strategies

Update Firefox to version ESR 153.4 or Firefox 157 or later to address the uninitialized memory issue in Graphics: WebGPU.

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