Squirrel sqobject.cpp Load heap-based overflow

{
  "id": "789b8693193dd7e15868d91b63ee4f97b3e3c5574750da781ad0f26dc9afbac7",
  "url": "https://osv.dev/vulnerability/CVE-2026-8261",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Squirrel sqobject.cpp Load heap-based overflow",
    "summary": "A vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.",
    "evidence": "osv:CVE-2026-8261",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-8261",
      "aliases": [
        "CVE-2026-8261"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/albertodemichelis/squirrel",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c52b25d864400197fa4d64c46254d8b1de06c2fa"
                },
                {
                  "last_affected": "f92bc298784ceea459b12e2de33bdff672bfeb83"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.1"
                      },
                      {
                        "last_affected": "3.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.2"
                      },
                      {
                        "last_affected": "3.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.1",
            "3.2",
            "v3.2",
            "v3.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-8261.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.690058347Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8261.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-8261",
        "https://vuldb.com/submit/809904",
        "https://vuldb.com/vuln/362558",
        "https://github.com/albertodemichelis/squirrel/issues/326",
        "https://vuldb.com/vuln/362558/cti",
        "https://github.com/biniamf/pocs/tree/main/squirrel-sqobject-functionproto-load-intovf-lineinfos"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-119",
          "CWE-122"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.0"
                  },
                  {
                    "last_affected": "3.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8261.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-8261",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505278,
  "published_at": "2026-05-11T01:30:11.394+00:00"
}