CVE-2020-6831

Details

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.

Affected Packages

Firefox

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

76

Mozilla Firefox

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

76

Mozilla Firefox ESR

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

68.8

Firefox ESR

macOS 14macOS 15macOS 26

Fixed in:

68.8

References

ADVISORY

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html

WEB

http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html

WEB

https://bugzilla.mozilla.org/show_bug.cgi?id=1632241

WEB

https://security.gentoo.org/glsa/202005-03

WEB

https://security.gentoo.org/glsa/202005-04

ADVISORY

https://usn.ubuntu.com/4373-1/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2020-6831

ADVISORY

https://www.debian.org/security/2020/dsa-4714

WEB

https://www.mozilla.org/security/advisories/mfsa2020-16/

WEB

https://www.mozilla.org/security/advisories/mfsa2020-17/

WEB

https://www.mozilla.org/security/advisories/mfsa2020-18/