{"action":"Upgrade libapache2-mod-auth-openidc to 2.4.12.3-2+deb12u4 or later.","affected":[{"fixed":"2.4.12.3-2+deb12u4","introduced":"0"}],"component":"libapache2-mod-auth-openidc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.4.12.3-2+deb12u4"],"id":"tcs_01M5NNMVVAGA99FHXEJZ27P4ZM","modified_at":"2026-11-05T09:47:37.699652663Z","published_at":"2025-04-29T12:15:32.137Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-3891","https://security-tracker.debian.org/tracker/CVE-2025-3891"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-3891","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-3891"}],"summary":"A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPrese"}