osv-2021-1754
Vulnerability from osv_ossfuzz
Published
2021-12-25 00:01
Modified
2022-04-13 03:04
Summary
UNKNOWN READ in insert_free_size
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42917

Crash type: UNKNOWN READ
Crash state:
insert_free_size
chunk_free_object
pdfi_pscript_stack_finit
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "ghostscript"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "75fbddf52051987287e62d13c659eb73ba16982f"
            },
            {
              "fixed": "2c954310adc5753565a30dfe1b080f6a97ed4b4c"
            }
          ],
          "repo": "git://git.ghostscript.com/ghostpdl.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "ghostpdl-9.56.0-test-base-2",
        "ghostpdl-9.56.0-test-base-3",
        "ghostpdl-9.56.0-test-base-4"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42917\n\n```\nCrash type: UNKNOWN READ\nCrash state:\ninsert_free_size\nchunk_free_object\npdfi_pscript_stack_finit\n```\n",
  "id": "OSV-2021-1754",
  "modified": "2022-04-13T03:04:34.631378Z",
  "published": "2021-12-25T00:01:31.295369Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42917"
    }
  ],
  "summary": "UNKNOWN READ in insert_free_size"
}


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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 patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.