CVE-2005-0453: Lighttpd

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The buffer_urldecode function in Lighttpd 1.3.7 and earlier does not properly handle control characters, which allows remote attackers to obtain the source code for CGI and FastCGI scripts via a URL with a %00 (null) character after the file extension.

Affected products

• Lighttpd Lighttpd: version 1.3.7 only

Published 2005-02-16. Last modified 2026-06-16.