{"id":"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 \u003c 68.8, Firefox \u003c 76, and Thunderbird \u003c 68.8.0.","modified":"2026-04-16T04:30:54.812334361Z","published":"2020-05-26T18:15:11.513Z","related":["SUSE-SU-2020:1209-1","SUSE-SU-2020:1218-1","SUSE-SU-2020:1225-1","SUSE-SU-2020:14359-1","openSUSE-SU-2020:0620-1","openSUSE-SU-2020:0621-1","openSUSE-SU-2020:0643-1","openSUSE-SU-2020:0648-1","openSUSE-SU-2020:0709-1","openSUSE-SU-2020:0917-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:10681-1","openSUSE-SU-2024:12948-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-16/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-17/"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4373-1/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-18/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202005-04"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4714"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1632241"},{"type":"FIX","url":"https://security.gentoo.org/glsa/202005-03"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"76.0"}]},{"events":[{"introduced":"0"},{"fixed":"68.8.0"}]},{"events":[{"introduced":"0"},{"fixed":"68.8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.10"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.2"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6831.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}