PT-2026-102537 · Mozilla · Firefox+1

Shaheen Fazim

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CVE-2026-100763

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Published

2026-09-29

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Updated

2026-09-29

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Thunderbird versions prior to 157
Description Incorrect boundary conditions exist within the Graphics: WebGPU component. WebGPU is a modern API that provides high-performance graphics and compute capabilities to web applications.
Recommendations Update Firefox to version 157 or later. Update Thunderbird to version 157 or later.

Fix

Buffer Overflow

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Weakness Enumeration

CWE-119

Related Identifiers

CVE-2026-100763

Affected Products

Firefox
Thunderbird