vulnerability
Red Hat OpenShift: CVE-2021-40346: haproxy: request smuggling attack or response splitting via duplicate content-length header
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:P/A:N) | Sep 8, 2021 | Nov 12, 2021 | Aug 11, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Sep 8, 2021
Added
Nov 12, 2021
Modified
Aug 11, 2025
Description
An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.
Solution
linuxrpm-upgrade-haproxy
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