Security Advisory

CVE-2026-100777

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-29 12:36:05

Last updated 2026-09-30 17:20:16

Assigner mozilla

CVSS score 8.8

State PUBLISHED

Description

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

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