vulnerability
Ubuntu: (Multiple Advisories) (CVE-2023-40225): HAProxy vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:P/A:N) | Aug 10, 2023 | Aug 17, 2023 | Mar 27, 2026 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Aug 10, 2023
Added
Aug 17, 2023
Modified
Mar 27, 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.
Solution
ubuntu-upgrade-haproxy
Rapid7 Labs
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