CVE-2009-1902: Fedoraproject Fedora

Medium severity, CVSS 5.0. EPSS: 13.7% chance of exploitation in the next 30 days.

The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.

Affected products

• Fedoraproject Fedora: version 9 only; version 10 only
• Trustwave Modsecurity: before 2.5.9 (fixed in 2.5.9)

Published 2009-06-03. Last modified 2026-06-16.