haproxy: http_get_hdr()/get_ip_from_hdr2() MAX_HDR_HISTORY handling denial of service
Published Aug 19, 2013
5.0
MEDIUMCVSS 2.0
EPSS 3.59%
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.
Affected products
No data.
Configuration 1
- 6.0
Configuration 2
- 12.04
- 12.10
- 13.04
Configuration 3
- 6.0
- 6.4
Configuration 4
- 1.4
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
- 1.4.4
- 1.4.5
- 1.4.6
- 1.4.7
- 1.4.8
- 1.4.9
- 1.4.10
- 1.4.11
- 1.4.12
- 1.4.13
- 1.4.14
- 1.4.15
- 1.4.16
- 1.4.17
- 1.4.18
- 1.4.19
- 1.4.20
- 1.4.21
- 1.4.22
- 1.4.23
Configuration 5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
- 1.5
No data.
RHEL 6 Version of OpenShift Enterprise 1.2
haproxy-0:1.4.22-6.el6op
Fixed · RHSA-2013:1204
Red Hat Enterprise Linux 6
haproxy-0:1.4.22-5.el6_4
Fixed · RHSA-2013:1120
| Product | Package | State | Advisory |
|---|---|---|---|
| RHEL 6 Version of OpenShift Enterprise 1.2 | haproxy-0:1.4.22-6.el6op | Fixed | RHSA-2013:1204 |
| Red Hat Enterprise Linux 6 | haproxy-0:1.4.22-5.el6_4 | Fixed | RHSA-2013:1120 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.59% (0.03587) | 89.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.49% (0.03490) | 87.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00076) | 20.33th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.53% (0.02527) | 89.83th | v3 (v2023.03.01) |
| Mar 31, 2023 | 3.96% (0.03964) | 90.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.31% (0.05309) | 91.84th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.32% (0.01319) | 70.74th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.54% (0.01537) | 73.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (10)
- http://marc.info/?l=haproxy&m=137147915029705&w=2 mailing-listx_refsource_MLISTPatchThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1120.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1204.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/54344 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2013/dsa-2711 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.ubuntu.com/usn/USN-1889-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2013-2175 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=974259 x_refsource_MISCIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-2175
- https://www.cve.org/CVERecord?id=CVE-2013-2175
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=haproxy&m=137147915029705&w=2 | mailing-listx_refsource_MLISTPatchThird Party Advisory | |
| http://rhn.redhat.com/errata/RHSA-2013-1120.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://rhn.redhat.com/errata/RHSA-2013-1204.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://secunia.com/advisories/54344 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2013/dsa-2711 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-1889-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-2175 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=974259 | x_refsource_MISCIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-2175 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-2175 |
Change history (0)
No recorded changes yet.