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Description

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.

PUBLISHED Reserved 2023-02-14 | Published 2023-03-29 | Updated 2025-02-18 | Assigner redhat

Problem types

CWE-200

References

git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a

www.debian.org/security/2023/dsa-5388 (DSA-5388) vendor-advisory

git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a

www.debian.org/security/2023/dsa-5388 (DSA-5388) vendor-advisory

cve.org (CVE-2023-0836)

nvd.nist.gov (CVE-2023-0836)