Vulnerability Details CVE-2023-0836
An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.1%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2023-0836
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cpe:2.3:a:haproxy:haproxy:2.1.0
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cpe:2.3:a:haproxy:haproxy:2.2.0
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cpe:2.3:a:haproxy:haproxy:2.2.1
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cpe:2.3:a:haproxy:haproxy:2.2.10
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cpe:2.3:a:haproxy:haproxy:2.2.11
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cpe:2.3:a:haproxy:haproxy:2.2.12
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cpe:2.3:a:haproxy:haproxy:2.2.13
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cpe:2.3:a:haproxy:haproxy:2.2.14
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cpe:2.3:a:haproxy:haproxy:2.2.15
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cpe:2.3:a:haproxy:haproxy:2.2.16
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cpe:2.3:a:haproxy:haproxy:2.2.17
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cpe:2.3:a:haproxy:haproxy:2.2.18
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cpe:2.3:a:haproxy:haproxy:2.2.19
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cpe:2.3:a:haproxy:haproxy:2.2.2
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cpe:2.3:a:haproxy:haproxy:2.2.20
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cpe:2.3:a:haproxy:haproxy:2.2.21
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cpe:2.3:a:haproxy:haproxy:2.2.22
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cpe:2.3:a:haproxy:haproxy:2.2.23
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cpe:2.3:a:haproxy:haproxy:2.2.24
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cpe:2.3:a:haproxy:haproxy:2.2.25
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cpe:2.3:a:haproxy:haproxy:2.2.26
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cpe:2.3:a:haproxy:haproxy:2.2.3
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cpe:2.3:a:haproxy:haproxy:2.2.4
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cpe:2.3:a:haproxy:haproxy:2.2.5
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cpe:2.3:a:haproxy:haproxy:2.2.6
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cpe:2.3:a:haproxy:haproxy:2.2.7
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cpe:2.3:a:haproxy:haproxy:2.2.8
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cpe:2.3:a:haproxy:haproxy:2.2.9
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cpe:2.3:a:haproxy:haproxy:2.3.0
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cpe:2.3:a:haproxy:haproxy:2.4.0
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cpe:2.3:a:haproxy:haproxy:2.4.1
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cpe:2.3:a:haproxy:haproxy:2.4.10
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cpe:2.3:a:haproxy:haproxy:2.4.11
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cpe:2.3:a:haproxy:haproxy:2.4.12
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cpe:2.3:a:haproxy:haproxy:2.4.13
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cpe:2.3:a:haproxy:haproxy:2.4.14
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cpe:2.3:a:haproxy:haproxy:2.4.15
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cpe:2.3:a:haproxy:haproxy:2.4.16
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cpe:2.3:a:haproxy:haproxy:2.4.17
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cpe:2.3:a:haproxy:haproxy:2.4.18
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cpe:2.3:a:haproxy:haproxy:2.4.19
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cpe:2.3:a:haproxy:haproxy:2.4.2
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cpe:2.3:a:haproxy:haproxy:2.4.20
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cpe:2.3:a:haproxy:haproxy:2.4.21
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cpe:2.3:a:haproxy:haproxy:2.4.3
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cpe:2.3:a:haproxy:haproxy:2.4.4
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cpe:2.3:a:haproxy:haproxy:2.4.5
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cpe:2.3:a:haproxy:haproxy:2.4.6
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cpe:2.3:a:haproxy:haproxy:2.4.7
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cpe:2.3:a:haproxy:haproxy:2.4.8
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cpe:2.3:a:haproxy:haproxy:2.4.9
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cpe:2.3:a:haproxy:haproxy:2.5.0
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cpe:2.3:a:haproxy:haproxy:2.5.1
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cpe:2.3:a:haproxy:haproxy:2.5.10
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cpe:2.3:a:haproxy:haproxy:2.5.11
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cpe:2.3:a:haproxy:haproxy:2.5.2
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cpe:2.3:a:haproxy:haproxy:2.5.3
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cpe:2.3:a:haproxy:haproxy:2.5.4
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cpe:2.3:a:haproxy:haproxy:2.5.5
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cpe:2.3:a:haproxy:haproxy:2.5.6
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cpe:2.3:a:haproxy:haproxy:2.5.7
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cpe:2.3:a:haproxy:haproxy:2.5.8
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cpe:2.3:a:haproxy:haproxy:2.5.9
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cpe:2.3:a:haproxy:haproxy:2.6.0
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cpe:2.3:a:haproxy:haproxy:2.6.1
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cpe:2.3:a:haproxy:haproxy:2.6.2
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cpe:2.3:a:haproxy:haproxy:2.6.3
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cpe:2.3:a:haproxy:haproxy:2.6.4
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cpe:2.3:a:haproxy:haproxy:2.6.5
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cpe:2.3:a:haproxy:haproxy:2.6.6
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cpe:2.3:a:haproxy:haproxy:2.6.7
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cpe:2.3:a:haproxy:haproxy:2.6.8
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cpe:2.3:a:haproxy:haproxy:2.7.0