CVE-2004-0646: Macromedia ColdFusion

High severity, CVSS 10.0. EPSS: 7.1% chance of exploitation in the next 30 days.

Buffer overflow in the WriteToLog function for JRun 3.0 through 4.0 web server connectors, such as (1) mod_jrun and (2) mod_jrun20 for Apache, with verbose logging enabled, allows remote attackers to execute arbitrary code via a long HTTP header Content-Type field or other fields.

Affected products

• Macromedia ColdFusion: version 6.0 only; version 6.1 only
• Macromedia Jrun: version 3.0 only; version 3.1 only; version 4.0 only

Published 2004-12-23. Last modified 2026-06-16.