GitHub Advisoryadvisory · PyPI

GHSA-32pc-xphx-q4f6 Gunicorn contains Improper Neutralization of CRLF sequences in HTTP headers

HIGH Published 2018-07-12 Modified 2026-09-08 Official page ↗
Aliases
CVE-2018-1000164
Ecosystem
PyPI
Packages
gunicorn
Severity
High
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses
CWE-93
Reviewed
2020-06-16

Affected packages

• PyPI gunicorn: < 19.5.0 → fixed in 19.5.0

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.

Related

Alias · CVE (1)

  • CVE-2018-1000164 gunicorn version 19.4.5 contains a CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers vulnerability in "process_headers"… vulnerability

Weakness · CWE (1)

  • CWE-93 Improper Neutralization of CRLF Sequences weakness

References