CVE-2006-6352: FRISK Software F-Prot Antivirus before 4.6.7 allows user-assisted remote attackers to cause a denial of ser...

Security readout for executives and security teams

This old vulnerability affects FRISK Software F-Prot Antivirus before 4.6.7. A specially crafted ACE archive can make the scanner enter an infinite loop, causing denial of service. The main business risk is disruption where legacy F-Prot still scans files or email. No source in the bundle shows active exploitation. Likely exposure is limited to legacy systems still running F-Prot Antivirus versions earlier than 4.6.7, especially scanners processing untrusted archives. Modern environments are exposed only if this obsolete product remains in file, mail, or gateway scanning paths. Handle as a legacy exposure cleanup item unless F-Prot is still in a production scanning path. If present, prioritize upgrade or replacement because denial of service in antivirus infrastructure can degrade file and email protection. Mitigation focus: Upgrade F-Prot Antivirus to 4.6.7 or a supported later release.; Replace unsupported legacy F-Prot deployments with maintained antivirus controls.; Check FRISK and distribution guidance before relying on configuration workarounds..

Prepared

Jun 29, 2026, 08:58 UTC (UTC+00:00)

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