CVE-2007-4646: Buffer overflow in the pop3 service in Hexamail Server 3.0.0.001 Lite allows remote attackers to cause a de...

Security readout for executives and security teams

CVE-2007-4646 is a remote buffer overflow in Hexamail Server 3.0.0.001 Lite's POP3 service. A long username value can crash the mail daemon and may allow arbitrary code execution. Business urgency depends on whether this obsolete mail server is still deployed and reachable from untrusted networks. Exposure is likely limited to organizations still running Hexamail Server 3.0.0.001 Lite with POP3 reachable internally or externally. The bundle's affected-product fields are incomplete, so confirm by asset inventory rather than assuming broader Hexamail impact. Prioritize if Hexamail POP3 is internet-facing or supports critical mail operations. The risk is lower if the product is absent, isolated, or retired, but legacy exposure should be resolved quickly because public exploit information is referenced. Mitigation focus: Identify and retire Hexamail Server 3.0.0.001 Lite where possible.; Restrict POP3 access to trusted networks or VPN paths only.; Check vendor or archival guidance for any fixed release or workaround..

Prepared

Jun 29, 2026, 03:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.