Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2021-08-17T19:12:33

Updated: 2024-08-03T22:24:59.218Z

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

Link: CVE-2021-29984

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-08-17T20:15:07.850

Modified: 2022-12-09T19:10:12.990

Link: CVE-2021-29984

cve-icon Redhat

Severity : Important

Publid Date: 2021-08-10T00:00:00Z

Links: CVE-2021-29984 - Bugzilla