osv-2021-526
Vulnerability from osv_ossfuzz
Published
2021-03-16 00:01
Modified
2022-04-13 03:04
Summary
Heap-use-after-free in ZSTD_freeDDict
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32076

Crash type: Heap-use-after-free READ {*}
Crash state:
ZSTD_freeDDict
blosc2_free_ctx
blosc2_schunk_free
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "c-blosc2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "861ba79f31393dec0a0782ca11cf32cebb6f6610"
            },
            {
              "fixed": "48123a7d2e7409ecd0e74f64a326fa7f2af0627d"
            }
          ],
          "repo": "https://github.com/Blosc/c-blosc2.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32076\n\n```\nCrash type: Heap-use-after-free READ {*}\nCrash state:\nZSTD_freeDDict\nblosc2_free_ctx\nblosc2_schunk_free\n```\n",
  "id": "OSV-2021-526",
  "modified": "2022-04-13T03:04:40.184966Z",
  "published": "2021-03-16T00:01:01.703386Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32076"
    }
  ],
  "summary": "Heap-use-after-free in ZSTD_freeDDict"
}


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