CVE-2021-23978

Name
CVE-2021-23978
Description
Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
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
Broken Link https://bugzilla.mozilla.org/buglist.cgi?bug_id=786797%2C1682928%2C1687391%2C1687597
Release Notes https://www.mozilla.org/security/advisories/mfsa2021-08/
Release Notes https://www.mozilla.org/security/advisories/mfsa2021-09/
Release Notes https://www.mozilla.org/security/advisories/mfsa2021-07/
Mailing List https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html
Third Party Advisory https://www.debian.org/security/2021/dsa-4866
GENTOO https://security.gentoo.org/glsa/202104-09
GENTOO https://security.gentoo.org/glsa/202104-10

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 86.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 78.8
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 78.8

Vulnerable and fixed packages

Source package Branch Version Maintainer Status