What’s Vulnerable › Vulnerabilities

CVE-2016-2216

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-04-07 · updated 2026-06-17
• Weakness: CWE-20

Description

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: 22, 23
• Node.js: 0.10.0, 0.10.1, 0.10.2, 0.10.3, 0.10.4, 0.10.5 (+77)

References

• http://blog.safebreach.com/2016/02/09/http-response-splitting-in-node-js-root-cause-analysis/
• http://info.safebreach.com/hubfs/Node-js-Response-Splitting.pdf
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177184.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177673.html
• http://packetstormsecurity.com/files/135711/Node.js-HTTP-Response-Splitting.html
• http://www.securityfocus.com/bid/83141
• https://nodejs.org/en/blog/vulnerability/february-2016-security-releases/
• https://security.gentoo.org/glsa/201612-43
• http://blog.safebreach.com/2016/02/09/http-response-splitting-in-node-js-root-cause-analysis/
• http://info.safebreach.com/hubfs/Node-js-Response-Splitting.pdf
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177184.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177673.html

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