HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other "hdr_*" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.
CVSS Details
- CVSS 3.1 Base Score: 5.3
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade haproxy | Dec 1, 2016 | Aug 19, 2013 |
| Debian | — | Upgrade haproxy | Jul 30, 2024 | Aug 19, 2013 |
| Gentoo Linux | — | Upgrade net-proxy/haproxy. | Oct 30, 2017 | Aug 19, 2013 |
| Redhat Openshift | — | Upgrade haproxy | Oct 8, 2019 | Aug 19, 2013 |
| Ubuntu | — | Upgrade haproxy | Nov 8, 2024 | Aug 19, 2013 |
Prioritise with Active Threat Intelligence
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