CVE-1999-0486: Aol Instant Messenger

Medium severity, CVSS 5.0. EPSS: 1.9% chance of exploitation in the next 30 days.

Denial of service in AOL Instant Messenger when a remote attacker sends a malicious hyperlink to the receiving client, potentially causing a system crash.

Affected products

• Aol Instant Messenger: version 3.5 only

Published 1998-02-01. Last modified 2026-06-16.