osv-2020-893
Vulnerability from osv_ossfuzz
Published
2020-07-21 00:00
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in hermes::parser::JSLexer::consumeBracedCodePoint
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23725

Crash type: Heap-buffer-overflow READ 1
Crash state:
hermes::parser::JSLexer::consumeBracedCodePoint
hermes::parser::JSLexer::consumeUnicodeEscape
hermes::parser::JSLexer::advance
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "hermes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2e72425f875640779c7ce29de55a5e5cd73abd4e"
            },
            {
              "fixed": "f126e71e362dad0f7f1841cbc56b5d85e16e8cc4"
            }
          ],
          "repo": "https://github.com/facebook/hermes.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23725\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nhermes::parser::JSLexer::consumeBracedCodePoint\nhermes::parser::JSLexer::consumeUnicodeEscape\nhermes::parser::JSLexer::advance\n```\n",
  "id": "OSV-2020-893",
  "modified": "2022-04-13T03:04:31.087641Z",
  "published": "2020-07-21T00:00:06.900609Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23725"
    }
  ],
  "summary": "Heap-buffer-overflow in hermes::parser::JSLexer::consumeBracedCodePoint"
}


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