{"id":"DEBIAN-CVE-2013-4366","details":"http/impl/client/HttpClientBuilder.java in Apache HttpClient 4.3.x before 4.3.1 does not ensure that X509HostnameVerifier is not null, which allows attackers to have unspecified impact via vectors involving hostname verification.","modified":"2026-04-28T20:10:09.231793Z","published":"2017-10-30T19:29:00.280Z","upstream":["CVE-2013-4366"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2013-4366"}],"affected":[{"package":{"name":"httpcomponents-client","ecosystem":"Debian:11","purl":"pkg:deb/debian/httpcomponents-client?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-4366.json"}},{"package":{"name":"httpcomponents-client","ecosystem":"Debian:12","purl":"pkg:deb/debian/httpcomponents-client?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-4366.json"}},{"package":{"name":"httpcomponents-client","ecosystem":"Debian:13","purl":"pkg:deb/debian/httpcomponents-client?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-4366.json"}},{"package":{"name":"httpcomponents-client","ecosystem":"Debian:14","purl":"pkg:deb/debian/httpcomponents-client?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-4366.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}