CVE-2021-29981 | BDVDB-2026-159028 Detail

MozillaFirefox

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.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

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
https://security.gentoo.org/glsa/202202-03

Exploit#

No public exploit known

History#

Version 12021-08-17Record published in the CVE List.
Version 22024-08-03Most recent update recorded in the CVE List.