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
thunderbird edge-community 78.7.0-r0 None fixed
thunderbird edge-community 78.6.1-r0 None possibly vulnerable
thunderbird edge-community 78.5.1-r0 None possibly vulnerable
thunderbird edge-community 68.9.0-r0 None possibly vulnerable
thunderbird edge-community 68.8.0-r0 None possibly vulnerable
thunderbird edge-community 68.7.0-r0 None possibly vulnerable
thunderbird edge-community 68.6.0-r0 None possibly vulnerable
thunderbird edge-community 68.5.0-r0 None possibly vulnerable
thunderbird edge-community 68.10.0-r0 None possibly vulnerable
thunderbird 3.22-community 78.7.0-r0 None fixed
thunderbird 3.22-community 78.6.1-r0 None possibly vulnerable
thunderbird 3.22-community 78.5.1-r0 None possibly vulnerable
thunderbird 3.22-community 68.9.0-r0 None possibly vulnerable
thunderbird 3.22-community 68.8.0-r0 None possibly vulnerable
thunderbird 3.22-community 68.7.0-r0 None possibly vulnerable
thunderbird 3.22-community 68.6.0-r0 None possibly vulnerable
thunderbird 3.22-community 68.5.0-r0 None possibly vulnerable
thunderbird 3.22-community 68.10.0-r0 None possibly vulnerable
thunderbird 3.21-community 78.7.0-r0 None fixed
thunderbird 3.20-community 78.7.0-r0 None fixed
thunderbird 3.19-community 78.7.0-r0 None fixed
thunderbird 3.18-community 78.7.0-r0 None fixed
thunderbird 3.17-community 78.7.0-r0 None fixed
firefox-esr edge-community 78.7.0-r0 None fixed
firefox-esr 3.22-community 78.7.0-r0 None fixed
firefox-esr 3.21-community 78.7.0-r0 None fixed
firefox-esr 3.20-community 78.7.0-r0 None fixed
firefox-esr 3.19-community 78.7.0-r0 None fixed
firefox-esr 3.18-community 78.7.0-r0 None fixed
firefox-esr 3.17-community 78.7.0-r0 None fixed
firefox edge-community 84.0.2-r0 None fixed
firefox edge-community 84.0.1-r0 None fixed
firefox edge-community 83.0-r0 None fixed
firefox edge-community 82.0.3-r0 None fixed
firefox edge-community 82.0-r0 None fixed
firefox edge-community 81.0-r0 None fixed
firefox edge-community 80.0-r0 None fixed
firefox edge-community 79.0-r0 None fixed
firefox edge-community 78.0-r0 None possibly vulnerable
firefox edge-community 77.0-r0 None possibly vulnerable
firefox edge-community 76.0-r0 None possibly vulnerable
firefox edge-community 75.0-r0 None possibly vulnerable
firefox edge-community 74.0.1-r0 None possibly vulnerable
firefox edge-community 74.0-r0 None possibly vulnerable
firefox edge-community 71.0.1-r0 None possibly vulnerable
firefox edge-community 70.0-r0 None possibly vulnerable
firefox edge-community 68.0.2-r0 None possibly vulnerable
firefox 3.22-community 84.0.2-r0 None fixed
firefox 3.22-community 84.0.1-r0 None fixed
firefox 3.22-community 83.0-r0 None fixed
firefox 3.22-community 82.0.3-r0 None fixed
firefox 3.22-community 82.0-r0 None fixed
firefox 3.22-community 81.0-r0 None fixed
firefox 3.22-community 80.0-r0 None fixed
firefox 3.22-community 79.0-r0 None fixed
firefox 3.22-community 78.0-r0 None possibly vulnerable
firefox 3.22-community 77.0-r0 None possibly vulnerable
firefox 3.22-community 76.0-r0 None possibly vulnerable
firefox 3.22-community 75.0-r0 None possibly vulnerable
firefox 3.22-community 74.0.1-r0 None possibly vulnerable
firefox 3.22-community 74.0-r0 None possibly vulnerable
firefox 3.22-community 71.0.1-r0 None possibly vulnerable
firefox 3.22-community 70.0-r0 None possibly vulnerable
firefox 3.22-community 68.0.2-r0 None possibly vulnerable