{"id":"DEBIAN-CVE-2021-20718","details":"mod_auth_openidc 2.4.0 to 2.4.7 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vectors.","modified":"2026-09-01T20:04:24.867962929Z","published":"2021-05-20T02:15:07.117Z","upstream":["CVE-2021-20718"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-20718"}],"affected":[{"package":{"name":"libapache2-mod-auth-openidc","ecosystem":"Debian:12","purl":"pkg:deb/debian/libapache2-mod-auth-openidc?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.4.1-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20718.json"}},{"package":{"name":"libapache2-mod-auth-openidc","ecosystem":"Debian:13","purl":"pkg:deb/debian/libapache2-mod-auth-openidc?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.4.1-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20718.json"}},{"package":{"name":"libapache2-mod-auth-openidc","ecosystem":"Debian:14","purl":"pkg:deb/debian/libapache2-mod-auth-openidc?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.4.1-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20718.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"}]}