CVE-2005-1891: Aol Aim

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

The GIF parser in ateimg32.dll in AOL Instant Messenger (AIM) 5.9.3797 and earlier allows remote attackers to cause a denial of service (crash) via a malformed buddy icon that causes an integer underflow in a loop counter variable.

Affected products

• Aol Aim: up to and including 5.9.3797

Published 2005-06-09. Last modified 2026-06-16.