Security advisory

{
  "id": "304f30bc3bccc470d4f7291818bc04e579c22b7bdbfd655f12dcb23933497345",
  "url": "https://osv.dev/vulnerability/CVE-2021-37232",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-37232",
    "summary": "A stack overflow vulnerability occurs in Atomicparsley 20210124.204813.840499f through APar_read64() in src/util.cpp due to the lack of buffer size of uint32_buffer while reading more bytes in APar_read64.",
    "evidence": "osv:CVE-2021-37232",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-37232",
      "aliases": [
        "CVE-2021-37232"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wez/atomicparsley",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "840499fd8bb4c76c43889fe6ac7d54d3f5b28c27"
                },
                {
                  "fixed": "d72ccf06c98259d7261e0f3ac4fd8717778782c1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:atomicparsley_project:atomicparsley:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "20210124.204813.840499f"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d72ccf06c98259d7261e0f3ac4fd8717778782c1"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "20210124.204813.840499f",
            "20210114.184825.1dbe1be",
            "20201231.092811.cbecfb1",
            "20200701.154658.b0d6223",
            "0.9.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37232.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-37232-0c3c887d",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "36726385368998585421908585716448001595",
                    "231203303892373211374986664381982950303",
                    "278758496272288792744790572352763695453",
                    "35519463402278884742250031608508324594"
                  ]
                },
                "source": "https://github.com/wez/atomicparsley/commit/d72ccf06c98259d7261e0f3ac4fd8717778782c1",
                "target": {
                  "file": "src/extracts.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-37232-f887e3d7",
                "digest": {
                  "length": 2474,
                  "function_hash": "116096124105303364609703929590053858792"
                },
                "source": "https://github.com/wez/atomicparsley/commit/d72ccf06c98259d7261e0f3ac4fd8717778782c1",
                "target": {
                  "file": "src/extracts.cpp",
                  "function": "APar_ExtractDetails"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:04:51Z"
          }
        }
      ],
      "modified": "2026-10-20T14:04:51.509723311Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/202305-01",
        "https://github.com/wez/atomicparsley/commit/d72ccf06c98259d7261e0f3ac4fd8717778782c1",
        "https://github.com/wez/atomicparsley/issues/32"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-37232",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388540,
  "published_at": "2021-08-04T10:15:07.983+00:00"
}