CVE-2023-40225
HIGH7.2EPSS 0.09%haproxy - security update
Published: 8/10/2023Modified: 4/28/2026
Description
HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request.
Affected packages (3)
- Bitnami/haproxyfrom 0, < 2.0.33, >= 2.2.0, < 2.2.31, >= 2.4.0, < 2.4.24, >= 2.5.0, < 2.6.15, >= 2.7.0, < 2.7.10, >= 2.8.0, < 2.8.2
- Debian/haproxyfrom 0, < 2.2.9-2+deb11u6
- Debian/haproxyfrom 0, < 2.2.9-2+deb11u6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
References (8)
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-40225
- WEBhttps://cwe.mitre.org/data/definitions/436.html
- WEBhttps://github.com/haproxy/haproxy/commit/6492f1f29d738457ea9f382aca54537f35f9d856
- WEBhttps://github.com/haproxy/haproxy/issues/2237
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2023-40225
- WEBhttps://www.haproxy.org/download/2.6/src/CHANGELOG
- WEBhttps://www.haproxy.org/download/2.7/src/CHANGELOG
- WEBhttps://www.haproxy.org/download/2.8/src/CHANGELOG