{
  "schema_version": "1.4.0",
  "id": "GHSA-j2c9-63g7-697x",
  "modified": "2024-04-04T02:32:00Z",
  "published": "2022-05-24T16:59:33Z",
  "aliases": [
    "CVE-2019-18224"
  ],
  "details": "idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18224"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS"
    },
    {
      "type": "WEB",
      "url": "https://seclists.org/bugtraq/2020/Feb/4"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202003-63"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4168-1"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2020/dsa-4613"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-10-21T17:15:00Z"
  }
}