{"id":"CLSA-2026-1778068515","summary":"Fix CVE(s): CVE-2026-0966","details":"   * SECURITY UPDATE: heap buffer underflow in ssh_get_hexa() on zero-length\n     or NULL input, remotely reachable via GSSAPI authentication logging\n     - debian/patches/CVE-2026-0966.patch: reject NULL/zero-length input in\n       ssh_get_hexa() in src/dh.c\n     - CVE-2026-0966: fix heap buffer underflow in ssh_get_hexa()","modified":"2026-06-04T09:46:51.778957143Z","published":"2026-05-06T11:55:20Z","upstream":["CVE-2026-0966"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1778068515.html"}],"affected":[{"package":{"name":"libssh-4","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libssh-4?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.3-4.3ubuntu0.6+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1778068515.json"}},{"package":{"name":"libssh-dev","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libssh-dev?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.3-4.3ubuntu0.6+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1778068515.json"}},{"package":{"name":"libssh-doc","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libssh-doc?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.3-4.3ubuntu0.6+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1778068515.json"}},{"package":{"name":"libssh-gcrypt-4","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libssh-gcrypt-4?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.3-4.3ubuntu0.6+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1778068515.json"}},{"package":{"name":"libssh-gcrypt-dev","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libssh-gcrypt-dev?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.3-4.3ubuntu0.6+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1778068515.json"}}],"schema_version":"1.7.5"}