Security Advisory

CVE-2021-4128

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-12-22 00:00:00

Last updated 2025-04-16 15:58:19

Assigner mozilla

State PUBLISHED

Description

When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.

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