CVE-2021-43535

Name
CVE-2021-43535
Description
A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.
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://www.mozilla.org/security/advisories/mfsa2021-50/
MISC https://www.mozilla.org/security/advisories/mfsa2021-43/
MISC https://www.mozilla.org/security/advisories/mfsa2021-49/
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1667102
Third Party Advisory https://www.debian.org/security/2021/dsa-5026
MLIST https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
DEBIAN https://www.debian.org/security/2022/dsa-5034
MLIST https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 93.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 91.3.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 91.3.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status