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.
lists.opensuse.org/opensuse-security-announce/2020-07/msg00039.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00056.html
bugs.gentoo.org/721570
gitlab.com/openconnect/openconnect/-/merge_requests/108
lists.debian.org/debian-lts-announce/2020/05/msg00015.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25MFX4AZE7RDCUWOL4ZOE73YBOPUMQDX/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYSXLXAPXD2T73T6JMHI5G2WP7KHAGMN/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEVTIH5UFX35CC7MVSYBGRM3D66ACFD5/
security.gentoo.org/glsa/202006-15