{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.4.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "691c7c7514c1f46e7d40619c4833094bd1c24571"
            }
          ],
          "repo": "https://github.com/libressl-portable/portable",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks '\\0' termination.",
  "id": "CVE-2021-41581",
  "modified": "2026-03-13T21:54:08.508239165Z",
  "published": "2021-09-24T03:15:06.567Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/libressl-portable/openbsd/issues/126"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}