{"id":"RLSA-2026:1903","summary":"Important: fence-agents security update","details":"The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster. \n\nSecurity Fix(es):\n\n* pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID (CVE-2026-23490)\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":"2026-02-05T09:45:06.567728Z","published":"2026-02-05T09:10:29.578199Z","upstream":["CVE-2026-23490"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:1903"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2430472"}],"affected":[{"package":{"name":"fence-agents","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/fence-agents?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.10.0-98.el9_7.5"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:1903.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}