CVE-2004-2276: F-Secure Anti-Virus 5.41 and 5.42 on Windows, Client Security 5.50 and 5.52, 4.60 for Samba Servers, and 4....

Security readout for executives and security teams

Older F-Secure antivirus products could miss specific viruses hidden inside PKZip archives. That means malware such as Sober.D or Sober.G might pass the first antivirus check instead of being blocked immediately. Exposure is most likely in organizations still operating the named legacy F-Secure versions, old file servers, archived systems, or offline scanning workflows that rely on those engines. Treat this as a legacy exposure cleanup item unless affected products are still in production. If present, prioritize replacement or vendor-supported remediation because the weakness undermines antivirus control effectiveness. Mitigation focus: Inventory systems for the listed F-Secure product versions.; Check F-Secure hotfix or upgrade guidance for affected legacy products.; Replace unsupported antivirus versions with currently supported security software..

Prepared

Jun 29, 2026, 18:52 UTC (UTC+00:00)

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