CVE-2021-29961

Name
CVE-2021-29961
Description
When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface. This vulnerability affects Firefox < 89.
NVD Severity
medium
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://www.mozilla.org/security/advisories/mfsa2021-23/
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1700235
Third Party Advisory https://security.gentoo.org/glsa/202107-09

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 89.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= 78.11.0 < 89.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
firefox 3.13-community 89.0-r0 Rasmus Thomsen <oss@cogitri.dev> fixed