{"id":"ALSA-2025:23479","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: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand (CVE-2025-61984)\n  * openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand (CVE-2025-61985)\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","modified":"2026-02-04T02:37:39.667173Z","published":"2025-12-17T00:00:00Z","related":["CVE-2025-61984","CVE-2025-61985"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:23479"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-61984"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-61985"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2401960"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2401962"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2025-23479.html"}],"affected":[{"package":{"name":"openssh","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/openssh"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.9p1-12.el10_1.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:23479.json"}},{"package":{"name":"openssh-askpass","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/openssh-askpass"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.9p1-12.el10_1.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:23479.json"}},{"package":{"name":"openssh-clients","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/openssh-clients"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.9p1-12.el10_1.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:23479.json"}},{"package":{"name":"openssh-keycat","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/openssh-keycat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.9p1-12.el10_1.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:23479.json"}},{"package":{"name":"openssh-keysign","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/openssh-keysign"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.9p1-12.el10_1.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:23479.json"}},{"package":{"name":"openssh-server","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/openssh-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.9p1-12.el10_1.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:23479.json"}}],"schema_version":"1.7.3"}