CVE-2003-0113

CVE-2003-0113 describes a buffer overflow vulnerability in URLMON.DLL affecting Microsoft Internet Explorer versions 5.01, 5.5, and 6.0. This flaw allows remote attackers to execute arbitrary code by sending crafted HTTP responses with excessively long Content-type or Content-encoding headers. With a CVSS score of 7.5, it is considered highly severe due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not on the KEV catalog or Hot List, an ExploitDB entry exists, indicating public exploit code, though there is no evidence of active exploitation or significant community discussion.