CVE-2016-2216: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 7.3% chance of exploitation in the next 30 days.

The HTTP header parsing code in Node.js 0.10.x before 0.10.42, 0.11.6 through 0.11.16, 0.12.x before 0.12.10, 4.x before 4.3.0, and 5.x before 5.6.0 allows remote attackers to bypass an HTTP response-splitting protection mechanism via UTF-8 encoded Unicode characters in the HTTP header, as demonstrated by %c4%8d%c4%8a.

Affected products

• Fedoraproject Fedora: version 22 only; version 23 only
• Node.js Node.js: version 0.10.0 only; version 0.10.1 only; version 0.10.2 only; version 0.10.3 only; version 0.10.4 only; version 0.10.5 only; …

Published 2016-04-07. Last modified 2026-06-17.