CVE-2020-12420

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1643437	Exploit Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2020-24/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-25/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-26/	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/4421-1/	Third Party Advisory
https://security.gentoo.org/glsa/202007-10	Third Party Advisory
https://security.gentoo.org/glsa/202007-09	Third Party Advisory

Configuration 1

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

---

Published : 2020-07-09 03:15

Updated : 2022-05-03 01:00

---

NVD link : CVE-2020-12420

Mitre link : CVE-2020-12420

No products.

CWE-362

CWE-416