{"id":"RLSA-2026:1239","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* urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion (CVE-2025-66418)\n\n* urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471)\n\n* urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API) (CVE-2026-21441)\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":"2026-02-11T09:45:15.955550Z","published":"2026-02-11T09:12:56.212434Z","upstream":["CVE-2025-66418","CVE-2025-66471","CVE-2026-21441"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:1239"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2419455"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2419467"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2427726"}],"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_7.4"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:1239.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"}]}