osv-2026-981
Vulnerability from osv_ossfuzz
Published
2026-06-27 00:19
Modified
2026-06-27 00:19
Summary
Heap-buffer-overflow in std::__1::__function::__func<grk::FileFormatJP2Decompress::FileFormatJP2Decompre
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=527773834

Crash type: Heap-buffer-overflow WRITE 4
Crash state:
std::__1::__function::__func<grk::FileFormatJP2Decompress::FileFormatJP2Decompre
std::__1::__function::__func<grk::CodeStreamDecompress::postMultiTile
grk::CodeStreamDecompress::wait
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "82ce38159c68ac6da531682dc542bbbdf32c15b9:f76c6e85fcf629f7dc5b961e37f4fefb00ce7c7e",
        "introduced_range": "432a2a59cb1995c89e63ca527dfe4adee70f6a99:4517ebc350ce24e46291d07e2883c0b1c7363f9f"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "grok",
        "purl": "pkg:generic/grok"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "152eec18b4770b875be691a2afc333bcd6d725aa"
            },
            {
              "fixed": "f76c6e85fcf629f7dc5b961e37f4fefb00ce7c7e"
            }
          ],
          "repo": "https://github.com/GrokImageCompression/grok.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v20.3.5",
        "v20.3.6"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=527773834\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\nstd::__1::__function::__func\u003cgrk::FileFormatJP2Decompress::FileFormatJP2Decompre\nstd::__1::__function::__func\u003cgrk::CodeStreamDecompress::postMultiTile\ngrk::CodeStreamDecompress::wait\n```\n",
  "id": "OSV-2026-981",
  "modified": "2026-06-27T00:19:11.500860Z",
  "published": "2026-06-27T00:19:11.500567Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=527773834"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-buffer-overflow in std::__1::__function::__func\u003cgrk::FileFormatJP2Decompress::FileFormatJP2Decompre"
}


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