CVE-2018-1000164
HIGH7.5EPSS 1.5%gunicorn - security update
Published: 7/12/2018Modified: 4/28/2026
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.
Affected packages (5)
- Debian/gunicornfrom 0, < 19.5.0-1
- Debian/gunicornfrom 0, < 0.14.5-3+deb7u2
- Debian/gunicornfrom 0, < 19.0-1+deb8u1
- PyPI/gunicornfrom 0, < 19.5.0
- PyPI/gunicornfrom 0, < 19.5.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References (11)
- ADVISORYhttps://github.com/advisories/GHSA-32pc-xphx-q4f6
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2018-1000164
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2018-1000164
- PATCHhttps://github.com/benoitc/gunicorn
- WEBhttps://epadillas.github.io/2018/04/02/http-header-splitting-in-gunicorn-19.4.5
- WEBhttps://github.com/benoitc/gunicorn/issues/1227
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/gunicorn/PYSEC-2018-55.yaml
- WEBhttps://lists.debian.org/debian-lts-announce/2018/04/msg00022.html
- WEBhttps://usn.ubuntu.com/4022-1
- WEBhttps://usn.ubuntu.com/4022-1/
- WEBhttps://www.debian.org/security/2018/dsa-4186