Security advisory

{
  "id": "f8be5119c3638b2e4a9152cbf23d4bb2e059f512b6bd144804fe1acac3025ad2",
  "url": "https://osv.dev/vulnerability/CVE-2025-63650",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-63650",
    "summary": "An out-of-bounds read in the mk_ptr_to_buf in mk_core function (mk_memory.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.",
    "evidence": "osv:CVE-2025-63650",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-63650",
      "aliases": [
        "CVE-2025-63650"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/monkey/monkey",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "f37e9848e3983156f23e63d0c7aa43080765865c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:monkey-project:monkey:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.8.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.8.5",
            "v1.8.4",
            "v1.8.3",
            "v1.8.2",
            "v1.8.1",
            "v1.8.0",
            "v1.7.5",
            "v1.7.4",
            "v1.7.3",
            "v1.7.2",
            "v1.7.1",
            "v1.7.0",
            "v1.6.0",
            "test-v1.5.5",
            "v1.5.0",
            "v1.4.0",
            "v1.3.0",
            "v1.0.0",
            "v0.32.0",
            "v0.31.0",
            "v0.30.0",
            "v0.21.0",
            "v0.20.2",
            "v0.20.1",
            "v0.20.0",
            "v0.13.2",
            "v0.13.1",
            "v0.13.0",
            "v0.12.2",
            "v0.12.1",
            "v0.11.1",
            "v0.11.0",
            "v0.10.3",
            "v0.10.2",
            "v0.10.1",
            "v0.10.0",
            "v0.10.0-rc5",
            "v0.10.0-rc4",
            "v0.10.0-rc3",
            "v0.10.0-rc2",
            "v0.10.0-rc1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-63650.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.185431109Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63650.json",
        "https://github.com/archersec/security-advisories/blob/master/monkey/monkey-advisory-2025.md",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-63650",
        "https://github.com/monkey/monkey/issues/426"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63650.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-63650",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489441,
  "published_at": "2026-01-29T00:00:00+00:00"
}