{"id":"CVE-2020-12823","details":"OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.","modified":"2026-07-07T08:50:18.407432091Z","published":"2020-05-12T18:15:13.473Z","related":["SUSE-SU-2020:1807-1","SUSE-SU-2020:1930-1","SUSE-SU-2024:0317-1","openSUSE-SU-2020:0997-1","openSUSE-SU-2020:1027-1","openSUSE-SU-2024:11114-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}]},{"extracted_events":[{"introduced":"30"},{"last_affected":"30"},{"introduced":"31"},{"last_affected":"31"},{"introduced":"32"},{"last_affected":"32"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"]},{"source":"CPE_STRING","vendor_product":"opensuse:leap","cpes":["cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.1"},{"last_affected":"15.1"},{"introduced":"15.2"},{"last_affected":"15.2"}]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25MFX4AZE7RDCUWOL4ZOE73YBOPUMQDX/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYSXLXAPXD2T73T6JMHI5G2WP7KHAGMN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEVTIH5UFX35CC7MVSYBGRM3D66ACFD5/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00039.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00056.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/05/msg00015.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202006-15"},{"type":"FIX","url":"https://gitlab.com/openconnect/openconnect/-/merge_requests/108"},{"type":"EVIDENCE","url":"https://bugs.gentoo.org/721570"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openconnect/openconnect","events":[{"introduced":"946ebe7fbb124877f86dbca88dcdcfb889f7058f"},{"last_affected":"946ebe7fbb124877f86dbca88dcdcfb889f7058f"}],"database_specific":{"cpe":"cpe:2.3:a:infradead:openconnect:8.09:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.09"},{"last_affected":"8.09"}],"source":"CPE_STRING"}}],"versions":["8.09","v8.09"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12823.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}