CVE-2020-6821

Name
CVE-2020-6821
Description
When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
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
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-13/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-14/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-12/
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1625404
Third Party Advisory https://usn.ubuntu.com/4335-1/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 75.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 68.7.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 68.7.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status