Alma Linux: CVE-2023-0836: Moderate: haproxy security and bug fix update (ALSA-2023-6496)

Alma Linux: CVE-2023-0836: Moderate: haproxy security and bug fix update (ALSA-2023-6496)

Severity

8

CVSS

(AV:N/AC:L/Au:N/C:C/I:N/A:N)

Published

03/29/2023

Created

11/17/2023

Added

11/16/2023

Modified

01/28/2025

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.

Solution(s)

• alma-upgrade-haproxy

References

• https://attackerkb.com/topics/cve-2023-0836
• CVE - 2023-0836
• https://errata.almalinux.org/9/ALSA-2023-6496.html