{
  "schema_version": "1.4.0",
  "id": "GHSA-xhfw-qhxr-hjhq",
  "modified": "2025-02-18T18:33:02Z",
  "published": "2023-03-29T21:30:16Z",
  "aliases": [
    "CVE-2023-0836"
  ],
  "details": "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.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0836"
    },
    {
      "type": "WEB",
      "url": "https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a"
    },
    {
      "type": "WEB",
      "url": "https://git.haproxy.org/?p=haproxy.git;a=commitdiff;h=2e6bf0a"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5388"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200",
      "CWE-459"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-03-29T21:15:00Z"
  }
}