{"id":"ALSA-2023:2645","summary":"Moderate: openssh security update","details":"OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.\n\nSecurity Fix(es):\n\n* openssh: the functions order_hostkeyalgs() and list_hostkey_types() leads to double-free vulnerability (CVE-2023-25136)\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.","modified":"2026-01-30T01:16:40.953624Z","published":"2023-05-09T00:00:00Z","related":["CVE-2023-25136"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:2645"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-25136"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2167636"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2023-2645.html"}],"affected":[{"package":{"name":"openssh","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/openssh"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-29.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:2645.json"}},{"package":{"name":"openssh-askpass","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/openssh-askpass"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-29.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:2645.json"}},{"package":{"name":"openssh-clients","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/openssh-clients"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-29.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:2645.json"}},{"package":{"name":"openssh-keycat","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/openssh-keycat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-29.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:2645.json"}},{"package":{"name":"openssh-server","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/openssh-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-29.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:2645.json"}},{"package":{"name":"pam_ssh_agent_auth","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/pam_ssh_agent_auth"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.4-5.29.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:2645.json"}}],"schema_version":"1.7.3"}