Description
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.
Published: 2021-08-17
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-16440 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.
Ubuntu USN Ubuntu USN USN-5037-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5248-1 Thunderbird vulnerabilities
History

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Mozilla Firefox Thunderbird
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

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

Reserved: 2021-04-01T00:00:00.000Z

Link: CVE-2021-29981

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2024-11-21T06:02:06.513

Link: CVE-2021-29981

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses