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CVE-2013-2175
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…
Medium5.0EPSS 3.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.6% · top 11% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (7)
- RHSA-2013:1204 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [haproxy] 20130617 [ANNOUNCE] haproxy-1.5-dev19 and 1.4.24 (security update) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 54344 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=974259 (opens in a new tab)x_refsource_MISCx_transferred
- DSA-2711 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2013:1120 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-1889-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2013-2175)Record last updated .