CVE-2018-1000164

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

gunicorn version 19.4.5 contains a CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers vulnerability in "process_headers" function in "gunicorn/http/wsgi.py" that can result in an attacker causing the server to return arbitrary HTTP headers. This vulnerability appears to have been fixed in 19.5.0.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-93

Affected software

No affected versions have been published.

Timeline

Published: Apr 18, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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