CVE-2023-27522
HIGH7.5EPSS 0.67%Apache HTTP Server: mod_proxy_uwsgi HTTP response splitting
Published: 3/7/2023Modified: 4/28/2026
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.
Affected packages (4)
- Alpine/apache2from 0, < 2.4.56-r0
- Bitnami/apache>= 2.4.30, < 2.4.56
- Debian/apache2from 0, < 2.4.56-1~deb11u1
- PyPI/uwsgifrom 0, < 2.0.22
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References (12)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-27522
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2023-27522
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-27522
- PATCHhttps://github.com/unbit/uwsgi
- WEBhttps://github.com/advisories/GHSA-vcph-37mh-fqrh
- WEBhttps://github.com/apache/httpd/commit/d753ea76b5972a85349b68c31b59d04c60014f2d
- WEBhttps://github.com/unbit/uwsgi/commit/58ee1df31fa9e9af106aaeabb82374c36b433822
- WEBhttps://github.com/unbit/uwsgi/commit/acb03530aaaeaa810f28a5b64da619525940f569
- WEBhttps://httpd.apache.org/security/vulnerabilities_24.html
- WEBhttps://lists.debian.org/debian-lts-announce/2023/04/msg00028.html
- WEBhttps://security.gentoo.org/glsa/202309-01
- WEBhttps://uwsgi-docs.readthedocs.io/en/latest/Changelog-2.0.22.html