{"id":"UBUNTU-CVE-2014-6053","details":"The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows remote attackers to cause a denial of service (memory consumption or daemon crash) via a crafted message that is processed by using a single unchecked malloc.","modified":"2026-04-27T15:13:55.434774Z","published":"2014-09-24T00:00:00Z","related":["USN-2365-1","USN-4573-1","USN-4587-1"],"upstream":["CVE-2014-6053"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-6053"},{"type":"REPORT","url":"http://seclists.org/oss-sec/2014/q3/639"},{"type":"REPORT","url":"http://www.kde.org/info/security/advisory-20140923-1.txt"},{"type":"REPORT","url":"http://www.ocert.org/advisories/ocert-2014-007.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2365-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4573-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4587-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-6053"}],"affected":[{"package":{"name":"krfb","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/krfb@4:4.13.3-0ubuntu1.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:4.13.3-0ubuntu1.1"}]}],"versions":["4:4.11.2-0ubuntu1","4:4.11.80-0ubuntu1","4:4.11.95-0ubuntu1","4:4.11.97-0ubuntu1","4:4.12.0-0ubuntu1","4:4.12.1-0ubuntu1","4:4.12.2-0ubuntu1","4:4.12.3-0ubuntu1","4:4.12.90-0ubuntu1","4:4.12.95-0ubuntu1","4:4.12.97-0ubuntu1","4:4.13.0-0ubuntu1","4:4.13.0-0ubuntu1.1","4:4.13.3-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"4:4.13.3-0ubuntu1.1","binary_name":"krfb"}],"availability":"No 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https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-6053.json"}},{"package":{"name":"italc","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/italc@1:2.0.2+dfsg1-4ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.2+dfsg1-4ubuntu0.1"}]}],"versions":["1:2.0.2+dfsg1-3","1:2.0.2+dfsg1-4"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.0.2+dfsg1-4ubuntu0.1","binary_name":"italc-client"},{"binary_version":"1:2.0.2+dfsg1-4ubuntu0.1","binary_name":"italc-management-console"},{"binary_version":"1:2.0.2+dfsg1-4ubuntu0.1","binary_name":"italc-master"},{"binary_version":"1:2.0.2+dfsg1-4ubuntu0.1","binary_name":"libitalccore"}],"availability":"No subscription 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