CVE-2007-2952: Multiple stack-based buffer overflows in the filter service (aka k9filter.exe) in Blue Coat K9 Web Protecti...

Security readout for executives and security teams

This CVE describes memory corruption in Blue Coat K9 Web Protection that could let an attacker run code through malformed HTTP handling. The named version is very old, so the main business risk is legacy software still deployed on endpoints or gateways. Exposure is likely limited to environments still running the named legacy K9 Web Protection version. Systems are more exposed if the administration interface is reachable from untrusted networks or if HTTP traffic can be intercepted and modified. Treat as a legacy eradication issue. Prioritize confirmation and removal if the product is still present, especially on systems processing web traffic or reachable by users, because the described impact is code execution. Mitigation focus: Inventory for Blue Coat K9 Web Protection installations and exact filter versions.; Remove or replace unsupported legacy K9 deployments where still present.; Check vendor or archival guidance for any fixed version or official workaround..

Prepared

Jun 28, 2026, 18:33 UTC (UTC+00:00)

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