CVE-2016-3166: Debian Linux

Medium severity, CVSS 5.9. EPSS: 1.2% chance of exploitation in the next 30 days.

CRLF injection vulnerability in the drupal_set_header function in Drupal 6.x before 6.38, when used with PHP before 5.1.2, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks by leveraging a module that allows user-submitted data to appear in HTTP headers.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only
• Drupal Drupal: version 6.0 only; version 6.1 only; version 6.2 only; version 6.3 only; version 6.4 only; version 6.5 only; …

Published 2016-04-12. Last modified 2026-06-17.