{"id":"ALSA-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\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.\n","modified":"2026-02-04T02:42:03.120163Z","published":"2025-06-23T00:00:00Z","related":["CVE-2025-3891"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:9396"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-3891"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2361633"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2025-9396.html"}],"affected":[{"package":{"name":"mod_auth_openidc","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/mod_auth_openidc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.10-1.el9_6.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:9396.json"}}],"schema_version":"1.7.3"}