Description
A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Remediation
References
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html
http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1632241
https://security.gentoo.org/glsa/202005-03
https://security.gentoo.org/glsa/202005-04
https://usn.ubuntu.com/4373-1/
https://www.debian.org/security/2020/dsa-4714
https://www.mozilla.org/security/advisories/mfsa2020-16/
https://www.mozilla.org/security/advisories/mfsa2020-17/
https://www.mozilla.org/security/advisories/mfsa2020-18/
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