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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade haproxy | Mar 8, 2024 | Aug 10, 2023 |
| Alpine Linux | — | Upgrade haproxy | Mar 21, 2024 | Aug 10, 2023 |
| Amazon Linux Ami 2 | — | Upgrade haproxy2Upgrade haproxy2-debuginfo | Sep 28, 2023 | Aug 10, 2023 |
| Amazon_linux_2023 | — | Upgrade haproxyUpgrade haproxy-debuginfoUpgrade haproxy-debugsource | Feb 17, 2025 | Aug 10, 2023 |
| Debian | — | Upgrade haproxy | Jan 3, 2024 | Aug 10, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade haproxy | Jan 10, 2024 | Aug 10, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade haproxy | Jan 10, 2024 | Aug 10, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade haproxy | Jan 10, 2024 | Aug 10, 2023 |
| Oracle_linux | — | Upgrade haproxy | Mar 6, 2024 | Aug 10, 2023 |
| Redhat Openshift | — | Upgrade haproxy | Nov 30, 2023 | Aug 10, 2023 |
| Redhat_linux | — | Upgrade haproxy-debugsourceUpgrade haproxy-debuginfoUpgrade haproxyNo solution exists | Mar 6, 2024 | Aug 10, 2023 |
| Suse | — | Upgrade haproxy | Aug 30, 2023 | Aug 10, 2023 |
| Ubuntu | — | Upgrade haproxy | Aug 17, 2023 | Aug 10, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 10, 2023 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub