{"id":"RLSA-2026:75581","summary":"Important: mod_auth_openidc security update","details":"The mod_auth_openidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. \n\nSecurity Fix(es):\n\n* mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing (CVE-2026-54789)\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":"2026-10-06T12:45:02.348241913Z","published":"2026-10-06T12:10:42.614631Z","upstream":["CVE-2026-54789"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:75581"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:75581"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2521051"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:75581"}],"affected":[{"package":{"name":"mod_auth_openidc","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/mod_auth_openidc?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.4.16.11-1.el10_2.1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:75581.json"}}],"schema_version":"1.9.0","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"}]}