Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.7%
CVSS Severity
CVSS v2 Score 5.0
Products affected by CVE-2013-2175
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cpe:2.3:a:haproxy:haproxy:1.4
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cpe:2.3:a:haproxy:haproxy:1.4.0
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cpe:2.3:a:haproxy:haproxy:1.4.1
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cpe:2.3:a:haproxy:haproxy:1.4.10
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cpe:2.3:a:haproxy:haproxy:1.4.11
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cpe:2.3:a:haproxy:haproxy:1.4.12
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cpe:2.3:a:haproxy:haproxy:1.4.13
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cpe:2.3:a:haproxy:haproxy:1.4.14
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cpe:2.3:a:haproxy:haproxy:1.4.15
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cpe:2.3:a:haproxy:haproxy:1.4.16
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cpe:2.3:a:haproxy:haproxy:1.4.17
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cpe:2.3:a:haproxy:haproxy:1.4.18
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cpe:2.3:a:haproxy:haproxy:1.4.19
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cpe:2.3:a:haproxy:haproxy:1.4.2
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cpe:2.3:a:haproxy:haproxy:1.4.20
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cpe:2.3:a:haproxy:haproxy:1.4.21
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cpe:2.3:a:haproxy:haproxy:1.4.22
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cpe:2.3:a:haproxy:haproxy:1.4.23
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cpe:2.3:a:haproxy:haproxy:1.4.3
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cpe:2.3:a:haproxy:haproxy:1.4.4
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cpe:2.3:a:haproxy:haproxy:1.4.5
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cpe:2.3:a:haproxy:haproxy:1.4.6
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cpe:2.3:a:haproxy:haproxy:1.4.7
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cpe:2.3:a:haproxy:haproxy:1.4.8
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cpe:2.3:a:haproxy:haproxy:1.4.9
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cpe:2.3:a:haproxy:haproxy:1.5
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cpe:2.3:a:redhat:enterprise_linux_load_balancer:6.0
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cpe:2.3:a:redhat:enterprise_linux_load_balancer:6.4
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cpe:2.3:o:canonical:ubuntu_linux:12.04
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cpe:2.3:o:canonical:ubuntu_linux:12.10
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cpe:2.3:o:canonical:ubuntu_linux:13.04
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cpe:2.3:o:debian:debian_linux:6.0