CVE-2021-23973

Name
CVE-2021-23973
Description
When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
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
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1690976
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