Security advisory

{
  "id": "db09c5df068a69b95e7e52b71353c3eb9edba39b349f94d0cf3d36ba3fcbd83f",
  "url": "https://osv.dev/vulnerability/CVE-2017-14749",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-14749",
    "summary": "JerryScript 1.0 allows remote attackers to cause a denial of service (jmem_heap_alloc_block_internal heap memory corruption) or possibly execute arbitrary code via a crafted .js file, because unrecognized \\ characters cause incorrect 0x00 characters in bytecode.literal data.",
    "evidence": "osv:CVE-2017-14749",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-14749",
      "aliases": [
        "CVE-2017-14749"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jerryscript-project/jerryscript",
              "type": "GIT",
              "events": [
                {
                  "introduced": "63f739e5a0f64abb4e3d2ed103a2f2813c1f2257"
                },
                {
                  "last_affected": "63f739e5a0f64abb4e3d2ed103a2f2813c1f2257"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jerryscript:jerryscript:1.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0"
                      },
                      {
                        "last_affected": "1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0",
            "v1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14749.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:44.417718957Z",
      "provider": "osv",
      "references": [
        "https://github.com/jerryscript-project/jerryscript/issues/2008"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-14749",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379663,
  "published_at": "2017-09-26T18:29:00.233+00:00"
}