CVE-2004-1623: Microsoft Windows XP

Medium severity, CVSS 5.0. EPSS: 18.6% chance of exploitation in the next 30 days.

The WAV file property handler in Windows XP SP1 allows remote attackers to cause a denial of service (infinite loop in Explorer) via a WAV file with an invalid file header whose fmt chunk length is set to 0xFFFFFFFF.

Affected products

• Microsoft Windows XP: any version

Published 2004-10-22. Last modified 2026-06-16.