Apache HTTP Server via mod_proxy_uwsgi HTTP response smuggling
HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server from 2.4.30 through 2.4.55 and the uWSGI PyPI package prior to version 2.0.22. Special characters in the origin response header can truncate/split the response forwarded to the client.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | uwsgi | < 2.0.22 | 2.0.22 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-27522
- https://github.com/apache/httpd/commit/d753ea76b5972a85349b68c31b59d04c60014f2d
- https://github.com/unbit/uwsgi/commit/58ee1df31fa9e9af106aaeabb82374c36b433822
- https://github.com/unbit/uwsgi/commit/acb03530aaaeaa810f28a5b64da619525940f569
- https://github.com/unbit/uwsgi
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00028.html
- https://security.gentoo.org/glsa/202309-01
- https://uwsgi-docs.readthedocs.io/en/latest/Changelog-2.0.22.html
- https://pypi.org/project/uwsgi
- https://github.com/advisories/GHSA-vcph-37mh-fqrh
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-444- Platform
- Python (PyPI)
- Package
uwsgi- Disclosed
- 07.03.2023
- Updated
- 11.10.2026 13:18
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vcph-37mh-fqrh - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2026-1058 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: uwsgi
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 02.2018 03.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
Disclosures per year
- 2018: 1
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 0
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Apache HTTP Server via mod_proxy_uwsgi HTTP response smuggling this entry
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