{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "64"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "777d33d40ff030f1711c40bf3cd5bc4bc36af313"
            }
          ],
          "repo": "https://github.com/webassembly/binaryen",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.",
  "id": "CVE-2019-7703",
  "modified": "2026-03-13T21:55:12.266091824Z",
  "published": "2019-02-10T22:29:00.590Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/WebAssembly/binaryen/issues/1865"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}