Security Advisory

CVE-2021-29981

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-08-17 19:12:38

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

Assigner mozilla

State PUBLISHED

Description

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.

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