CVE-2020-26974

Name
CVE-2020-26974
Description
When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
NVD Severity
high
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
Permissions Required https://bugzilla.mozilla.org/show_bug.cgi?id=1681022
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-54/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-55/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-56/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 84.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 78.6.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 78.6.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status