CVE-2002-1665: Yahoo Messenger

High severity, CVSS 7.5. EPSS: 4.4% chance of exploitation in the next 30 days.

Buffer overflow in Yahoo! Messenger before February 2002 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long set_buddygrp field.

Affected products

• Yahoo Messenger: version 5.0 only

Published 2002-12-31. Last modified 2026-06-16.