{
  "schema_version": "1.4.0",
  "id": "GHSA-gh3m-9h22-r3r5",
  "modified": "2022-05-24T19:11:22Z",
  "published": "2022-05-24T19:11:22Z",
  "aliases": [
    "CVE-2021-39242"
  ],
  "details": "An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39242"
    },
    {
      "type": "WEB",
      "url": "https://git.haproxy.org/?p=haproxy.git;a=commit;h=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-4960"
    },
    {
      "type": "WEB",
      "url": "https://www.mail-archive.com/haproxy@formilux.org/msg41041.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-755"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-08-17T19:15:00Z"
  }
}