CVE-2004-2405: Buffer overflow in multiple F-Secure Anti-Virus products, including F-Secure Anti-Virus 5.42 and earlier, a...

Security readout for executives and security teams

This is an old F-Secure Anti-Virus flaw where a malformed LHA archive could make affected scanning components fail or miss scanning. Business risk is mainly legacy systems: a security control may be bypassed or disrupted if very old F-Secure versions remain deployed. Exposure is most likely in legacy environments still running F-Secure Anti-Virus 5.42 or earlier, or other products covered by the 2004 F-Secure advisory. The provided source bundle does not enumerate complete affected products or fixed versions. Prioritize if any legacy F-Secure deployments remain in production. For modern environments with no affected versions, this is mainly a historical inventory and assurance issue rather than an emergency response item. Mitigation focus: Inventory F-Secure Anti-Virus deployments and identify version 5.42 or earlier.; Consult the F-Secure advisory for affected-product and fixed-version guidance.; Upgrade or retire unsupported affected F-Secure installations..

Prepared

Jun 29, 2026, 18:28 UTC (UTC+00:00)

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