Security Advisory

CVE-2021-29980

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-08-17 19:12:40

Last updated 2024-08-03 22:24:57

Assigner mozilla

State PUBLISHED

Description

Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

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