CVE-2021-29981

Name
CVE-2021-29981
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.
NVD Severity
high
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1707774
MISC https://www.mozilla.org/security/advisories/mfsa2021-33/
MISC https://www.mozilla.org/security/advisories/mfsa2021-36/
Third Party Advisory https://security.gentoo.org/glsa/202202-03

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 91.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 91.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
firefox 3.14-community 89.0.1-r0 Rasmus Thomsen <oss@cogitri.dev> possibly vulnerable