Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2021-02-26T02:10:45

Updated: 2024-08-03T19:14:09.879Z

Reserved: 2021-01-13T00:00:00

Link: CVE-2021-23954

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-02-26T03:15:13.510

Modified: 2021-03-03T20:58:49.663

Link: CVE-2021-23954

cve-icon Redhat

Severity : Important

Publid Date: 2021-01-26T00:00:00Z

Links: CVE-2021-23954 - Bugzilla