{"id":"UBUNTU-CVE-2014-6052","details":"The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.","modified":"2026-01-30T01:59:06.776876Z","published":"2014-09-24T00:00:00Z","related":["USN-2365-1","USN-4587-1"],"upstream":["CVE-2014-6052"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-6052"},{"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":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-6052"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4587-1"}],"affected":[{"package":{"name":"libvncserver","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libvncserver@0.9.9+dfsg-1ubuntu1.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9+dfsg-1ubuntu1.1"}]}],"versions":["0.9.9+dfsg-1","0.9.9+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.9+dfsg-1ubuntu1.1","binary_name":"libvncserver-config"},{"binary_version":"0.9.9+dfsg-1ubuntu1.1","binary_name":"libvncserver-dev"},{"binary_version":"0.9.9+dfsg-1ubuntu1.1","binary_name":"libvncserver0"},{"binary_version":"0.9.9+dfsg-1ubuntu1.1","binary_name":"linuxvnc"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-6052.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 required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-6052.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}