Apache HTTP Server via mod_proxy_uwsgi HTTP response smuggling

HIGH 7.5CVE-2023-27522 · BIT-apache-2023-27522 · GHSA-vcph-37mh-fqrh · Published 07/03/2023 · updated 17/06/2026

Package	Affected versions	Patched versions
uwsgi PyPI	`< 2.0.22`	`2.0.22`
http server apache	`≥ 2.4.30, < 2.4.56`	`2.4.56`
uwsgi unbit	`< 2.0.22`	`2.0.22`

Description

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.

NVD description

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. Special characters in the origin response header can truncate/split the response forwarded to the client.

References

nvd.nist.gov/vuln/detail/CVE-2023-27522 · ADVISORY
apache/httpd commit d753ea7 · WEB
unbit/uwsgi commit 58ee1df · WEB
unbit/uwsgi commit acb0353 · WEB
unbit/uwsgi · PACKAGE
httpd.apache.org/security/vulnerabilities_24.html · WEB
lists.debian.org/debian-lts-announce/2023/04/msg00028.html · WEB
security.gentoo.org/glsa/202309-01 · WEB
uwsgi-docs.readthedocs.io/en/latest/Changelog-2.0.22.html · WEB
pypi.org/project/uwsgi · PACKAGE
GitHub Advisory GHSA-vcph-37mh-fqrh · ADVISORY

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