CVE-2021-29981

State: Published
Severity: Not scored
Published: Aug 17, 2021
Updated: Aug 3, 2024
Reserved: Apr 1, 2021

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
FirefoxMozilla	before 91Affected
ThunderbirdMozilla	before 91Affected

References

https://www.mozilla.org/security/advisories/mfsa2021-33/
https://www.mozilla.org/security/advisories/mfsa2021-36/
https://bugzilla.mozilla.org/show_bug.cgi?id=1707774
GLSA-202202-03vendor-advisory

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