CVE-2021-38500

Name
CVE-2021-38500
Description
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
NVD Severity
high
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://www.mozilla.org/security/advisories/mfsa2021-43/
MISC https://www.mozilla.org/security/advisories/mfsa2021-45/
MISC https://www.mozilla.org/security/advisories/mfsa2021-44/
MISC https://www.mozilla.org/security/advisories/mfsa2021-47/
MISC https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321
MISC https://www.mozilla.org/security/advisories/mfsa2021-46/
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 < 78.15
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= 91.0 < 91.2
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 78.15
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= 91.0 < 91.2

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
mozjs78 3.14-community 78.15.0-r0 Rasmus Thomsen <oss@cogitri.dev> fixed
firefox 3.14-community 89.0.1-r0 Rasmus Thomsen <oss@cogitri.dev> fixed
firefox-esr 3.14-community 78.15.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed