CVE-2003-1387

CVE-2003-1387 describes a buffer overflow vulnerability in Opera versions 6.05 and 6.06, and potentially other versions, which allows remote attackers to execute arbitrary code. This high-severity vulnerability (CVSS 7.5) can be exploited with low complexity via a network-based attack using a specially crafted URL with a long username, potentially leading to partial compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, an exploit for this vulnerability is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.