{"id":"ALSA-2026:18160","summary":"Moderate: libssh security update","details":"libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.  \n\nSecurity Fix(es):  \n\n  * libssh: Buffer underflow in ssh_get_hexa() on invalid input (CVE-2026-0966)\n  * libssh: Improper sanitation of paths received from SCP servers (CVE-2026-0964)\n  * libssh: libssh: Denial of Service via improper configuration file handling (CVE-2026-0965)\n  * libssh: libssh: Denial of Service via inefficient regular expression processing (CVE-2026-0967)\n  * libssh: libssh: Denial of Service due to malformed SFTP message (CVE-2026-0968)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  \n\nAdditional Changes:  \n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.\n","modified":"2026-05-26T16:59:14.382663655Z","published":"2026-05-19T00:00:00Z","related":["CVE-2026-0964","CVE-2026-0965","CVE-2026-0966","CVE-2026-0967","CVE-2026-0968"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:18160"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-0964"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-0965"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-0966"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-0967"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-0968"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2433121"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2436979"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2436980"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2436981"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2436982"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-18160.html"}],"affected":[{"package":{"name":"libssh","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/libssh"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.0-2.el10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18160.json"}},{"package":{"name":"libssh-config","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/libssh-config"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.0-2.el10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18160.json"}},{"package":{"name":"libssh-devel","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/libssh-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.0-2.el10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18160.json"}}],"schema_version":"1.7.5"}