CVE-2021-23953

Name
CVE-2021-23953
Description
If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
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
Release Notes https://www.mozilla.org/security/advisories/mfsa2021-04/
Release Notes https://www.mozilla.org/security/advisories/mfsa2021-05/
Release Notes https://www.mozilla.org/security/advisories/mfsa2021-03/
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1683940

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 85.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 78.7
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 78.7

Vulnerable and fixed packages

Source package Branch Version Maintainer Status