CVE-2023-0836

2023-03-2900:00:00

CWE-200

redhat

www.cve.org

information leak

haproxy

fastcgi

7.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.4%

JSON

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.

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "HAProxy",
    "versions": [
      {
        "version": "HAProxy 2.8, HAProxy 2.7.1, HAProxy 2.6.8, HAProxy 2.5.11, HAProxy 2.4.21, HAProxy 2.2.27",
        "status": "affected"
      }
    ]
  }
]