{"id":"CVE-2016-4465","aliases":["GHSA-xg75-68x3-7p3q"],"url":"https://o3.security/vulnerability/CVE-2016-4465","summary":"Apache Struts vulnerable to possible DoS attack when using URLValidator","details":"The URLValidator class in Apache Struts 2 2.3.20 through 2.3.28.1 and 2.5.x before 2.5.1 allows remote attackers to cause a denial of service via a null value for a URL field.","published":"2016-07-04T22:59:10.117Z","modified":"2026-07-08T05:48:39.639627913Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.struts:struts2-core","fixedVersion":"2.3.29"},{"ecosystem":"Maven","name":"org.apache.struts:struts2-core","fixedVersion":"2.5.13"}],"fix":null,"references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/91278"},{"type":"ADVISORY","url":"http://jvn.jp/en/jp/JVN12352818/index.html"},{"type":"ADVISORY","url":"http://jvndb.jvn.jp/jvndb/JVNDB-2016-000114"},{"type":"ADVISORY","url":"http://www-01.ibm.com/support/docview.wss?uid=swg21987854"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html"},{"type":"ADVISORY","url":"https://struts.apache.org/docs/s2-041.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1348253"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:48:39.639627913Z"}}