{"id":"UBUNTU-CVE-2011-4905","details":"Apache ActiveMQ before 5.6.0 allows remote attackers to cause a denial of service (file-descriptor exhaustion and broker crash or hang) by sending many openwire failover:tcp:// connection requests.","modified":"2025-07-16T07:30:51.355660Z","published":"2012-01-05T16:55:00Z","withdrawn":"2025-07-18T16:42:44Z","upstream":["CVE-2011-4905"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2011-4905"},{"type":"REPORT","url":"http://secunia.com/advisories/47112"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2011-4905"}],"affected":[{"package":{"name":"activemq","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/activemq@5.6.0+dfsg-1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.0+dfsg-1"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"activemq","binary_version":"5.6.0+dfsg-1"},{"binary_name":"libactivemq-java","binary_version":"5.6.0+dfsg-1"},{"binary_name":"libactivemq-java-doc","binary_version":"5.6.0+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2011/UBUNTU-CVE-2011-4905.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}