{"id":"UBUNTU-CVE-2020-14340","details":"A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. It may allow the attacker to cause a denial of service. It affects XNIO versions 3.6.0.Beta1 through 3.8.1.Final.","modified":"2025-10-24T04:48:33Z","published":"2021-06-02T13:15:00Z","upstream":["CVE-2020-14340"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14340"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-14340"}],"affected":[{"package":{"name":"jboss-xnio","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/jboss-xnio@3.3.2-3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.2-1","3.3.2-3"],"ecosystem_specific":{"binaries":[{"binary_name":"libjboss-xnio-java","binary_version":"3.3.2-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14340.json"}},{"package":{"name":"jboss-xnio","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/jboss-xnio@3.6.2-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.1-1","3.5.4-1","3.6.0-1","3.6.1-1","3.6.2-1","3.6.2-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libjboss-xnio-java","binary_version":"3.6.2-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14340.json"}},{"package":{"name":"jboss-xnio","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/jboss-xnio@3.7.7-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.7.3-1","3.7.6-1","3.7.7-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libjboss-xnio-java","binary_version":"3.7.7-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14340.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}