osv-2021-926
Vulnerability from osv_ossfuzz
Published
2021-07-08 00:00
Modified
2022-04-13 03:04
Summary
Heap-use-after-free in zend_gc_addref
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35876

Crash type: Heap-use-after-free READ 4
Crash state:
zend_gc_addref
ZEND_ASSIGN_OP_SPEC_VAR_TMPVAR_HANDLER
fuzzer_execute_ex

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "php"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "540fed1b3654339fc4683ed128f7a1c351e34c4f"
            },
            {
              "fixed": "62ecf54f35e227d09d19ec40920f7bb8d29e9356"
            }
          ],
          "repo": "https://github.com/php/php-src.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35876\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nzend_gc_addref\nZEND_ASSIGN_OP_SPEC_VAR_TMPVAR_HANDLER\nfuzzer_execute_ex\n```\n",
  "id": "OSV-2021-926",
  "modified": "2022-04-13T03:04:33.657097Z",
  "published": "2021-07-08T00:00:29.564756Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35876"
    }
  ],
  "summary": "Heap-use-after-free in zend_gc_addref"
}


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