CVE-2005-0243: Yahoo Messenger

Medium severity, CVSS 5.0. EPSS: 1% chance of exploitation in the next 30 days.

Yahoo! Messenger 6.0.0.1750, and possibly other versions before 6.0.0.1921, does not properly display long filenames in file dialog boxes, which could allow remote attackers to trick users into downloading and executing programs via file names containing a large number of spaces and multiple file extensions.

Affected products

• Yahoo Messenger: version 5.5 only; version 5.6 only; version 5.6.0.1351 only; version 6.0 only; version 6.0.0.1750 only

Published 2005-02-17. Last modified 2026-06-16.