CVE-2023-0836 Information

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.

Reference

https://git.haproxy.org/?p=haproxy.git;a=commitdiff;h=2e6bf0a