osv-2021-652
Vulnerability from osv_ossfuzz
Published
2021-04-18 00:01
Modified
2023-02-04 00:11
Summary
Heap-use-after-free in ZSTD_freeDDict
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33324

Crash type: Heap-use-after-free READ 4
Crash state:
ZSTD_freeDDict
blosc2_free_ctx
blosc2_schunk_free
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "c-blosc2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "861ba79f31393dec0a0782ca11cf32cebb6f6610"
            },
            {
              "fixed": "7f4574f51ad7db56fc13de89e13e7893b1a82189"
            }
          ],
          "repo": "https://github.com/Blosc/c-blosc2.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v2.0.0",
        "v2.0.0-rc2",
        "v2.0.0.rc1",
        "v2.0.1",
        "v2.0.2",
        "v2.0.3",
        "v2.0.4",
        "v2.1.0",
        "v2.1.1"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33324\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nZSTD_freeDDict\nblosc2_free_ctx\nblosc2_schunk_free\n```\n",
  "id": "OSV-2021-652",
  "modified": "2023-02-04T00:11:28.495734Z",
  "published": "2021-04-18T00:01:00.614418Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33324"
    }
  ],
  "summary": "Heap-use-after-free in ZSTD_freeDDict"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.