CVE-2014-6052

CVE-2014-6052 describes a denial-of-service vulnerability in LibVNCServer versions 0.9.9 and earlier, affecting products like Canonical, Debian, and Oracle. The flaw stems from a missing malloc return value check in the HandleRFBServerMessage function, allowing a malicious VNC server to crash client applications or potentially execute arbitrary code by sending large screen size values in specific messages. With a CVSS score of 7.5, this vulnerability is considered high severity, requiring no authentication and having low attack complexity, with potential impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.