{"id":"RLSA-2025:9396","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: DoS via Empty POST in mod_auth_openidc with OIDCPreservePost Enabled (CVE-2025-3891)\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":"2025-10-09T06:19:05.269728Z","published":"2025-10-04T00:11:30.916420Z","upstream":["CVE-2025-3891"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2025:9396"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2361633"}],"affected":[{"package":{"name":"mod_auth_openidc","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/mod_auth_openidc?distro=rocky-linux-9-6&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.4.10-1.el9_6.2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2025:9396.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"}]}