Security Advisory

CVE-2021-29976

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-08-05 19:46:06

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

Assigner mozilla

State PUBLISHED

Description

Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

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