{"id":"UBUNTU-CVE-2017-17742","details":"Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick.","modified":"2026-02-04T03:55:11.403751Z","published":"2018-04-03T00:00:00Z","related":["USN-3685-1"],"upstream":["CVE-2017-17742"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-17742"},{"type":"REPORT","url":"https://www.ruby-lang.org/en/news/2018/03/28/http-response-splitting-in-webrick-cve-2017-17742/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3685-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-17742"}],"affected":[{"package":{"name":"ruby1.9.1","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/ruby1.9.1@1.9.3.484-2ubuntu1.12?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3.484-2ubuntu1.12"}]}],"versions":["1.9.3.194-8.1ubuntu2","1.9.3.448-1ubuntu1","1.9.3.448-1ubuntu2","1.9.3.484-1ubuntu1","1.9.3.484-1ubuntu2","1.9.3.484-2ubuntu1","1.9.3.484-2ubuntu1.1","1.9.3.484-2ubuntu1.2","1.9.3.484-2ubuntu1.3","1.9.3.484-2ubuntu1.5","1.9.3.484-2ubuntu1.6","1.9.3.484-2ubuntu1.7","1.9.3.484-2ubuntu1.8","1.9.3.484-2ubuntu1.10","1.9.3.484-2ubuntu1.11"],"ecosystem_specific":{"availability":"No 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