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.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2021-08-17T19:12:38

Updated: 2024-08-03T22:24:57.602Z

Reserved: 2021-04-01T00:00:00

Link: CVE-2021-29981

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-08-17T20:15:07.730

Modified: 2022-03-16T14:56:27.980

Link: CVE-2021-29981

cve-icon Redhat

No data.