What’s Vulnerable › Vulnerabilities

CVE-2016-3166

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-04-12 · updated 2026-06-17

Description

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 Linux: 7.0, 8.0
• Drupal: 6.0, 6.0-beta1, 6.0-beta2, 6.0-beta3, 6.0-beta4, 6.0-dev (+41)

References

• http://www.debian.org/security/2016/dsa-3498
• http://www.openwall.com/lists/oss-security/2016/02/24/19
• http://www.openwall.com/lists/oss-security/2016/03/15/10
• https://www.drupal.org/SA-CORE-2016-001
• http://www.debian.org/security/2016/dsa-3498
• http://www.openwall.com/lists/oss-security/2016/02/24/19
• http://www.openwall.com/lists/oss-security/2016/03/15/10
• https://www.drupal.org/SA-CORE-2016-001

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