{"id":"CLSA-2026-1778003336","summary":"Fix CVE(s): CVE-2026-0966","details":"   * SECURITY UPDATE: heap buffer underflow in ssh_get_hexa() when called\n     with a NULL pointer or zero-length input\n     - debian/patches/CVE-2026-0966.patch: add NULL/zero-length input\n       validation in ssh_get_hexa(); add unit-test coverage\n     - CVE-2026-0966","modified":"2026-06-04T09:47:36.332606110Z","published":"2026-05-05T17:49:01Z","upstream":["CVE-2026-0966"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1778003336.html"}],"affected":[{"package":{"name":"libssh-4","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-4?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778003336.json"}},{"package":{"name":"libssh-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778003336.json"}},{"package":{"name":"libssh-doc","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-doc?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778003336.json"}},{"package":{"name":"libssh-gcrypt-4","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-gcrypt-4?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778003336.json"}},{"package":{"name":"libssh-gcrypt-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-gcrypt-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778003336.json"}}],"schema_version":"1.7.5"}