CVE-2012-3969

CVE-2012-3969 is an integer overflow vulnerability in the nsSVGFEMorphologyElement::Filter function of Mozilla Firefox, Thunderbird, and SeaMonkey. This flaw allows remote attackers to execute arbitrary code by crafting a malicious SVG filter, leading to a heap-based buffer overflow. With a CVSS score of 9.3, this vulnerability is critical, requiring no authentication and moderate attack complexity to achieve complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.