{"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":"2026-04-16T00:00:44.907792884Z","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_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"8.0"}]},{"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"30"}]},{"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"31"}]},{"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"32"}]},{"source":"CPE_FIELD","cpe":"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"15.1"}]},{"extracted_events":[{"last_affected":"15.2"}],"cpe":"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*","source":"CPE_FIELD"}]},"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":"0"},{"last_affected":"946ebe7fbb124877f86dbca88dcdcfb889f7058f"}],"database_specific":{"source":"CPE_FIELD","cpe":"cpe:2.3:a:infradead:openconnect:8.09:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"8.09"}]}}],"versions":["v0.90","v0.91","v0.92","v0.93","v0.94","v0.95","v0.96","v0.97","v0.98","v0.99","v1.00","v1.10","v1.20","v1.30","v1.40","v2.00","v2.01","v2.10","v2.11","v2.12","v2.20","v2.21","v2.22","v2.23","v2.24","v2.25","v2.26","v3.00","v3.01","v3.02","v3.10","v3.11","v3.12","v3.13","v3.14","v3.15","v3.16","v3.17","v3.18","v3.19","v3.20","v3.99","v4.00","v4.01","v4.02","v4.03","v4.04","v4.05","v4.06","v4.07","v4.99","v5.00","v5.01","v5.02","v5.03","v5.99","v6.00","v7.00","v7.01","v7.02","v7.03","v7.04","v7.05","v7.06","v7.07","v7.08","v8.00","v8.01","v8.02","v8.03","v8.04","v8.05","v8.06","v8.07","v8.08","v8.09"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12823.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"}]}