{"id":"UBUNTU-CVE-2018-8034","details":"The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.","modified":"2026-02-04T04:06:40.979230Z","published":"2018-07-24T00:00:00Z","related":["USN-3723-1"],"upstream":["CVE-2018-8034"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-8034"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3723-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-8034"}],"affected":[{"package":{"name":"tomcat7","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/tomcat7@7.0.52-1ubuntu0.15?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.52-1ubuntu0.15"}]}],"versions":["7.0.42-1","7.0.47-1","7.0.50-1","7.0.52-1","7.0.52-1ubuntu0.1","7.0.52-1ubuntu0.3","7.0.52-1ubuntu0.6","7.0.52-1ubuntu0.7","7.0.52-1ubuntu0.8","7.0.52-1ubuntu0.9","7.0.52-1ubuntu0.10","7.0.52-1ubuntu0.11","7.0.52-1ubuntu0.13","7.0.52-1ubuntu0.14"],"ecosystem_specific":{"availability":"No subscription 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subscription 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subscription required","binaries":[{"binary_version":"8.5.39-1ubuntu1~18.04.1","binary_name":"libtomcat8-embed-java"},{"binary_version":"8.5.39-1ubuntu1~18.04.1","binary_name":"libtomcat8-java"},{"binary_version":"8.5.39-1ubuntu1~18.04.1","binary_name":"tomcat8"},{"binary_version":"8.5.39-1ubuntu1~18.04.1","binary_name":"tomcat8-admin"},{"binary_version":"8.5.39-1ubuntu1~18.04.1","binary_name":"tomcat8-common"},{"binary_version":"8.5.39-1ubuntu1~18.04.1","binary_name":"tomcat8-docs"},{"binary_version":"8.5.39-1ubuntu1~18.04.1","binary_name":"tomcat8-examples"},{"binary_version":"8.5.39-1ubuntu1~18.04.1","binary_name":"tomcat8-user"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-8034.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}]}