osv-2021-1261
Vulnerability from osv_ossfuzz
Published
2021-09-15 00:00
Modified
2026-02-17 14:15
Summary
UNKNOWN READ in kh_get_ucl_hash_node
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38660

Crash type: UNKNOWN READ
Crash state:
kh_get_ucl_hash_node
ucl_hash_search
ucl_inherit_handler
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "introduced_range": "be59572d66b2cf547d743277599781ef87ddaad9:95df30cf3e35788c08be537a1623499c98415674"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libucl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "b56171afae328bb605aa5aafbab9331e3e34b03e"
            }
          ],
          "repo": "https://github.com/vstakhov/libucl",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.8.2",
        "0.9.0",
        "0.9.1",
        "0.9.2",
        "0.9.3",
        "0.9.4"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38660\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nkh_get_ucl_hash_node\nucl_hash_search\nucl_inherit_handler\n```\n",
  "id": "OSV-2021-1261",
  "modified": "2026-02-17T14:15:50.348749Z",
  "published": "2021-09-15T00:00:41.384284Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38660"
    }
  ],
  "summary": "UNKNOWN READ in kh_get_ucl_hash_node"
}


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  • 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.
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  • 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.