Security Advisory

CVE-2021-23960

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-02-26 02:05:50

Last updated 2024-08-03 19:14:09

Assigner mozilla

State PUBLISHED

Description

Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

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