osv-2020-941
Vulnerability from osv_ossfuzz
Published
2020-07-22 00:00
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in gc_mark_string
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19780

Crash type: Heap-buffer-overflow READ 4
Crash state:
gc_mark_string
gc_trace
gs_gc_reclaim
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "introduced_range": "unknown:ceeeec8ee480c9cce066c0921665ef647bd5c135",
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libspectre"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "ceeeec8ee480c9cce066c0921665ef647bd5c135"
            },
            {
              "fixed": "920c30cf1d4353b28266fc91f88b2ae72e0f5e4f"
            }
          ],
          "repo": "https://gitlab.freedesktop.org/libspectre/libspectre.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19780\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\ngc_mark_string\ngc_trace\ngs_gc_reclaim\n```\n",
  "id": "OSV-2020-941",
  "modified": "2022-04-13T03:04:34.993532Z",
  "published": "2020-07-22T00:00:20.220294Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19780"
    }
  ],
  "summary": "Heap-buffer-overflow in gc_mark_string"
}


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Detection rules are retrieved from Rulezet.