CVE-2020-6831
Critical
CVE-2020-6831
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.
Exploit probability
5.8%
Published
May 26, 2020
Required by
Not available
Last source change
April 16, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2020-6831
View original source
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.
05 / REFERENCES
Further evidence
- 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/