{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.36"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5240a54e6afb0bdabbaf11714475dd9b3d8f16fa"
            }
          ],
          "repo": "https://github.com/cpan-authors/YAML-Syck",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure\n\nMissing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read\n\nThe issue is seen with complex YAML files with a hash of all keys and empty values.  There is no indication that the issue leads to accessing memory outside that allocated to the module.",
  "id": "CVE-2025-11683",
  "modified": "2026-03-11T13:51:06.048800315Z",
  "published": "2025-10-16T01:15:32.890Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://metacpan.org/dist/YAML-Syck/changes"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/cpan-authors/YAML-Syck/pull/65"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}