CVE-2008-5426: Kaspersky Internet Security Suite 2009 does not properly handle (1) multipart/mixed e-mail messages with ma...

Security readout for executives and security teams

This issue can let a remote sender make Kaspersky Internet Security Suite 2009 consume excessive resources while processing a large, complex email. The known impact is denial of service, not data theft or code execution. Exposure appears limited to legacy systems running Kaspersky Internet Security Suite 2009 that inspect inbound email. The source bundle does not identify broader affected versions, platforms, or CPEs. Treat this as a legacy exposure cleanup item. It is remote and can disrupt protection software, but evidence only supports denial of service and does not show active exploitation. Mitigation focus: Find and retire Kaspersky Internet Security Suite 2009 installations.; Check Kaspersky guidance for any update, replacement, or end-of-life notice.; Use mail gateway size and MIME-complexity controls where operationally acceptable..

Prepared

Jun 28, 2026, 11:41 UTC (UTC+00:00)

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