{"id":"UBUNTU-CVE-2018-11775","details":"TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which could make the client vulnerable to a MITM attack between a Java application using the ActiveMQ client and the ActiveMQ server. This is now enabled by default.","modified":"2026-02-04T03:15:47.137484Z","published":"2018-09-10T20:29:00Z","related":["USN-6910-1"],"upstream":["CVE-2018-11775"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11775"},{"type":"REPORT","url":"http://activemq.apache.org/security-advisories.data/CVE-2018-11775-announcement.txt"},{"type":"REPORT","url":"https://git-wip-us.apache.org/repos/asf?p=activemq.git;a=commit;h=bde7097fb8173cf871827df7811b3865679b963d"},{"type":"REPORT","url":"https://git-wip-us.apache.org/repos/asf?p=activemq.git;a=commit;h=02971a40e281713a8397d3a1809c164b594abfbb"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-11775"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6910-1"}],"affected":[{"package":{"name":"activemq","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/activemq@5.13.2+dfsg-2ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.13.2+dfsg-2ubuntu0.1~esm1"}]}],"versions":["5.6.0+dfsg1-4+deb8u1ubuntu1","5.6.0+dfsg1-5","5.13.2+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_version":"5.13.2+dfsg-2ubuntu0.1~esm1","binary_name":"activemq"},{"binary_version":"5.13.2+dfsg-2ubuntu0.1~esm1","binary_name":"libactivemq-java"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11775.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}