{"id":"DEBIAN-CVE-2003-0189","details":"The authentication module for Apache 2.0.40 through 2.0.45 on Unix does not properly handle threads safely when using the crypt_r or crypt functions, which allows remote attackers to cause a denial of service (failed Basic authentication with valid usernames and passwords) when a threaded MPM is used.","modified":"2026-04-28T20:03:28.253574Z","published":"2003-06-09T04:00:00Z","upstream":["CVE-2003-0189"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2003-0189"}],"affected":[{"package":{"name":"apache2","ecosystem":"Debian:11","purl":"pkg:deb/debian/apache2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.46"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0189.json"}},{"package":{"name":"apache2","ecosystem":"Debian:12","purl":"pkg:deb/debian/apache2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.46"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0189.json"}},{"package":{"name":"apache2","ecosystem":"Debian:13","purl":"pkg:deb/debian/apache2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.46"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0189.json"}},{"package":{"name":"apache2","ecosystem":"Debian:14","purl":"pkg:deb/debian/apache2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.46"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0189.json"}}],"schema_version":"1.7.5"}