CVE-2019-13485

CVE-2019-13485 is a critical stack-based buffer overflow vulnerability affecting Xymon versions up to 4.3.28, specifically within its history viewer component. An unauthenticated attacker can exploit this remotely with low complexity by providing a long hostname or service parameter, leading to complete compromise of confidentiality, integrity, and availability. Despite its critical severity (CVSS 9.8), there is no evidence of active exploitation, publicly available exploit code, or significant community discussion, suggesting a low current threat landscape.