{"id":"RLSA-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\n* openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand (CVE-2025-61985)\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":"2026-05-21T17:00:03.879109664Z","published":"2026-05-21T16:30:00.730913Z","upstream":["CVE-2025-61984","CVE-2025-61985"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2025:23479"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2401962"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2401960"}],"affected":[{"package":{"name":"openssh","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/openssh?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.9p1-12.el10_1.rocky.0.1"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2025:23479.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}