Incomplete Cleanup Affecting haproxy package, versions <2.6.8-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.18% (56th percentile)

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  • Snyk IDSNYK-DEBIAN12-HAPROXY-3372391
  • published25 Mar 2023
  • disclosed29 Mar 2023

Introduced: 25 Mar 2023

CVE-2023-0836  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade Debian:12 haproxy to version 2.6.8-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.

CVSS Scores

version 3.1