osv-2023-554
Vulnerability from osv_ossfuzz
Published
2023-07-10 14:02
Modified
2023-07-10 14:02
Summary
Heap-buffer-overflow in OT::CmapSubtable::get_glyph
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60475

Crash type: Heap-buffer-overflow READ 2
Crash state:
OT::CmapSubtable::get_glyph
bool OT::cmap::accelerator_t::get_glyph_from<OT::CmapSubtable>
hb_ot_get_nominal_glyphs
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{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "harfbuzz",
        "purl": "pkg:generic/harfbuzz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "d84504206c420250bfe80bee25f6a59a7177c9eb"
            },
            {
              "fixed": "f60dbd906a4bf89354af1ed0616a61a5099d8c1a"
            }
          ],
          "repo": "https://github.com/harfbuzz/harfbuzz.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60475\n\n```\nCrash type: Heap-buffer-overflow READ 2\nCrash state:\nOT::CmapSubtable::get_glyph\nbool OT::cmap::accelerator_t::get_glyph_from\u003cOT::CmapSubtable\u003e\nhb_ot_get_nominal_glyphs\n```\n",
  "id": "OSV-2023-554",
  "modified": "2023-07-10T14:02:00.983375Z",
  "published": "2023-07-10T14:02:00.983105Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60475"
    }
  ],
  "schema_version": "1.4.0",
  "summary": "Heap-buffer-overflow in OT::CmapSubtable::get_glyph"
}


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