CVE-2021-29982

Name
CVE-2021-29982
Description
Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://www.mozilla.org/security/advisories/mfsa2021-33/
MISC https://www.mozilla.org/security/advisories/mfsa2021-36/
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1715318

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