osv-2023-137
Vulnerability from osv_ossfuzz
Published
2023-03-03 13:00
Modified
2025-12-28 14:11
Summary
Heap-buffer-overflow in OT::Layout::Common::Coverage::get_population
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56510

Crash type: Heap-buffer-overflow READ 1
Crash state:
OT::Layout::Common::Coverage::get_population
OT::Layout::GPOS_impl::SinglePosFormat1::sanitize
hb_sanitize_context_t::return_t OT::Layout::GPOS_impl::PosLookupSubTable::dispat
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{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "harfbuzz",
        "purl": "pkg:generic/harfbuzz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "918193ebf908d35c88bb71d02dfc14bc41ffc31d"
            },
            {
              "fixed": "08784baf101aea472c133dcd67604b475ace3772"
            }
          ],
          "repo": "https://github.com/harfbuzz/harfbuzz.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "7.1.0",
        "7.2.0",
        "7.3.0",
        "8.0.0",
        "8.0.1",
        "8.1.0",
        "8.1.1",
        "8.2.0",
        "8.2.1",
        "8.2.2",
        "8.3.0",
        "8.3.1",
        "8.4.0",
        "8.5.0",
        "9.0.0",
        "10.0.0",
        "10.0.1",
        "10.1.0",
        "10.2.0",
        "10.3.0",
        "10.4.0",
        "11.0.0",
        "11.0.1",
        "11.1.0",
        "11.2.0",
        "11.2.1",
        "11.3.0",
        "11.3.1",
        "11.3.2",
        "11.3.3",
        "11.4.0",
        "11.4.1",
        "11.4.2",
        "11.4.3",
        "11.4.4",
        "11.4.5",
        "11.5.0",
        "11.5.1",
        "12.0.0",
        "12.1.0",
        "12.2.0",
        "12.3.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56510\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nOT::Layout::Common::Coverage::get_population\nOT::Layout::GPOS_impl::SinglePosFormat1::sanitize\nhb_sanitize_context_t::return_t OT::Layout::GPOS_impl::PosLookupSubTable::dispat\n```\n",
  "id": "OSV-2023-137",
  "modified": "2025-12-28T14:11:53.546267Z",
  "published": "2023-03-03T13:00:38.278632Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56510"
    }
  ],
  "schema_version": "1.3.0",
  "summary": "Heap-buffer-overflow in OT::Layout::Common::Coverage::get_population"
}


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