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Medium

DoS in SnakeYAML

Type: advisorySources: OSV

Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2022-38749
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 19:59 UTC · Revision 1

Source evidence

DoS in SnakeYAML

core-osv · Original source

Published 5 Sept 2022, 00:00 UTC

Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow.

osv:CVE-2022-38749
Complete source record
{
  "id": "4c7e447e3c847c86ef3989cbfa98ab90f9c8cfd124725f29061e5cb01dfa1aa6",
  "url": "https://osv.dev/vulnerability/CVE-2022-38749",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DoS in SnakeYAML",
    "summary": "Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow.",
    "evidence": "osv:CVE-2022-38749",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-38749",
      "aliases": [
        "CVE-2022-38749",
        "GHSA-c4r9-r8fh-9vj2"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://bitbucket.org/snakeyaml/snakeyaml",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "04401a88fa9b36f555cdc91f72ca1e724090c031"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.31"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "SplitRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:snakeyaml_project:snakeyaml:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.31"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "snakeyaml-1.30",
            "snakeyaml-1.27",
            "snakeyaml-1.26",
            "snakeyaml-1.25",
            "snakeyaml-1.24",
            "snakeyaml-1.23",
            "snakeyaml-1.22",
            "snakeyaml-1.21",
            "snakeyaml-1.20",
            "snakeyaml-1.19",
            "v1.18",
            "v1.17",
            "v1.16",
            "v1.15",
            "v1.13",
            "v1.12",
            "v1.11",
            "v1.10",
            "v1.9",
            "v1.8",
            "v1.7",
            "v1.7rc1",
            "v1.6",
            "1.6rc2",
            "v1.6rc1",
            "v1.5",
            "v1.5rc1",
            "v1.4rc1",
            "v1.3",
            "v1.2",
            "v1.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-38749.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.161172163Z",
      "provider": "osv",
      "references": [
        "https://bitbucket.org/snakeyaml/snakeyaml/issues/525/got-stackoverflowerror-for-many-open",
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47024",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/38xxx/CVE-2022-38749.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-38749",
        "https://security.gentoo.org/glsa/202305-28",
        "https://security.netapp.com/advisory/ntap-20240315-0010/",
        "https://lists.debian.org/debian-lts-announce/2022/10/msg00001.html"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-121"
        ],
        "cna_assigner": "Google",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/38xxx/CVE-2022-38749.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-38749",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489517,
  "published_at": "2022-09-05T00:00:00+00:00"
}