Security advisory

{
  "id": "4d515f753cc80a863c3e9a9a4402143cc8f9afe750b99328cec4fcb25c1fda8f",
  "url": "https://osv.dev/vulnerability/CVE-2020-13649",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13649",
    "summary": "parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.",
    "evidence": "osv:CVE-2020-13649",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-13649",
      "aliases": [
        "CVE-2020-13649"
      ],
      "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/jerryscript-project/jerryscript",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5fdeb7c1d68e8c5209e186e1760bc703a723d588"
                },
                {
                  "last_affected": "5fdeb7c1d68e8c5209e186e1760bc703a723d588"
                },
                {
                  "fixed": "69f8e78c2f8d562bd6d8002b5488f1662ac30d24"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jerryscript:jerryscript:2.2.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.2.0"
                      },
                      {
                        "last_affected": "2.2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "69f8e78c2f8d562bd6d8002b5488f1662ac30d24"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.2.0",
            "v2.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13649.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-13649-71eeec65",
                "digest": {
                  "length": 25059,
                  "function_hash": "1459472975261504320315232053591083066"
                },
                "source": "https://github.com/jerryscript-project/jerryscript/commit/69f8e78c2f8d562bd6d8002b5488f1662ac30d24",
                "target": {
                  "file": "jerry-core/parser/js/js-scanner.c",
                  "function": "scanner_scan_all"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-13649-f89fd790",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                  ]
                },
                "source": "https://github.com/jerryscript-project/jerryscript/commit/69f8e78c2f8d562bd6d8002b5488f1662ac30d24",
                "target": {
                  "file": "jerry-core/parser/js/js-scanner.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:49:46Z"
          }
        }
      ],
      "modified": "2026-10-20T13:49:46.226143401Z",
      "provider": "osv",
      "references": [
        "https://github.com/jerryscript-project/jerryscript/issues/3786",
        "https://github.com/jerryscript-project/jerryscript/issues/3788",
        "https://github.com/jerryscript-project/jerryscript/commit/69f8e78c2f8d562bd6d8002b5488f1662ac30d24"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13649",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388251,
  "published_at": "2020-05-28T15:15:11.98+00:00"
}