CVE-2011-3248

CVE-2011-3248 describes an integer signedness error in Apple QuickTime versions prior to 7.7.1, impacting QuickTime installations on Apple and Microsoft Windows operating systems. This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service by crafting a malicious font table within a QuickTime movie file. With a CVSS score of 9.3, it is considered critical due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.