CVE-2020-6831: usrsctp: Buffer overflow in AUTH chunk input validation

Severity: Critical

CVSS Score: 9.8

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.