{"id":"CVE-2016-4465","aliases":["EUVD-2022-5779","GHSA-xg75-68x3-7p3q"],"status":"published","title":"Apache Struts vulnerable to possible DoS attack when using URLValidator","description":"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.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.10365,"percentile":0.95752,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2016-07-04T22:00:00Z","modified":"2026-10-24T10:30:25Z","fixes":[{"ecosystem":"Maven","package":"org.apache.struts:struts2-core","fixed_in":["2.3.29","2.5.13"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.20"},{"fixed":"2.3.29"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0"},{"fixed":"2.5.13"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.20"},{"fixed":"2.3.29"}]}],"versions":["2.3.20","2.3.20.1","2.3.20.3","2.3.24","2.3.24.1","2.3.24.3","2.3.28","2.3.28.1"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0"},{"fixed":"2.5.13"}]}],"versions":["2.5","2.5.1","2.5.10","2.5.10.1","2.5.12","2.5.2","2.5.5","2.5.8"]}],"products":[{"vendor":"apache","product":"struts"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1348253","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","report","web"]},{"url":"http://www.securityfocus.com/bid/91278","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://struts.apache.org/docs/s2-041.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21987854","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://jvn.jp/en/jp/JVN12352818/index.html","tags":["third-party-advisory","x_refsource_JVN","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2016-000114","tags":["third-party-advisory","x_refsource_JVNDB","x_transferred","VDB Entry","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4465","tags":["advisory"]},{"url":"https://github.com/apache/struts/commit/a0fdca138feec2c2e94eb75ca1f8b76678b4d152","tags":["web"]},{"url":"https://github.com/apache/struts/commit/eccc31ebce5430f9e91b9684c63eaaf885e603f9","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xg75-68x3-7p3q"},{"url":"https://github.com/apache/struts","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2016-4465","description":"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.","status":"published","published":"2016-07-04T22:00:00Z","modified":"2024-08-06T00:32:25.409Z","updated_at":"2026-11-02T14:33:35.488991Z"}],"euvd":[{"id":"EUVD-2022-5779","description":"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.","status":"published","published":"2016-07-04T22:00:00Z","modified":"2024-08-06T00:32:25Z","updated_at":"2026-11-03T02:22:45.901874Z"}],"ghsa":[{"id":"GHSA-xg75-68x3-7p3q","title":"Apache Struts vulnerable to possible DoS attack when using URLValidator","description":"The URLValidator class in Apache Struts 2 2.3.20 through 2.3.28.1 and 2.5.x before 2.5.13 allows remote attackers to cause a denial of service via a null value for a URL field.","status":"published","published":"2022-05-17T02:16:00Z","modified":"2024-01-04T20:22:26Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:37:29.411214Z"}],"nvd":[{"id":"CVE-2016-4465","description":"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.","status":"published","published":"2016-07-04T22:59:10.117Z","modified":"2026-06-17T00:47:36.567Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:27.736698Z"}],"osv":[{"id":"CVE-2016-4465","description":"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.","status":"published","published":"2016-07-04T22:59:10.117Z","modified":"2026-10-24T10:30:25.479128546Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:02.454775Z"},{"id":"GHSA-xg75-68x3-7p3q","title":"Apache Struts vulnerable to possible DoS attack when using 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