CVE-2020-12387

Name
CVE-2020-12387
Description
A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
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
Third Party Advisory https://www.mozilla.org/security/advisories/mfsa2020-17/
Third Party Advisory https://www.mozilla.org/security/advisories/mfsa2020-18/
Third Party Advisory https://www.mozilla.org/security/advisories/mfsa2020-16/
Permissions Required https://bugzilla.mozilla.org/show_bug.cgi?id=1545345
UBUNTU https://usn.ubuntu.com/4373-1/
MISC https://security.gentoo.org/glsa/202005-03
MISC https://security.gentoo.org/glsa/202005-04

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 76.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 68.8.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 68.8.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status