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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.
Reserved 2023-02-14 | Published 2023-03-29 | Updated 2025-02-18 | Assigner redhatgit.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a
www.debian.org/security/2023/dsa-5388 (DSA-5388)
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