Security Advisory

CVE-2021-43538

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2021-12-08 21:20:20

Last updated 2024-08-04 04:03:07

Assigner mozilla

CVSS score not scored

State PUBLISHED

Description

By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

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