CVE-2002-0320: Yahoo Messenger

High severity, CVSS 7.5. EPSS: 7% chance of exploitation in the next 30 days.

Buffer overflow in Yahoo! Messenger 5.0 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long (1) message or (2) IMvironment field.

Affected products

• Yahoo Messenger: version 5.0 only

Published 2002-06-25. Last modified 2026-06-16.