osv-2022-111
Vulnerability from osv_ossfuzz
Published
2022-02-02 00:00
Modified
2022-04-13 03:04
Summary
Heap-use-after-free in OT::CoverageFormat1::intersected_coverage_glyphs
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257

Crash type: Heap-use-after-free READ 4
Crash state:
OT::CoverageFormat1::intersected_coverage_glyphs
OT::ChainContextFormat3::closure
OT::hb_closure_context_t::return_t OT::SubstLookupSubTable::dispatch<OT::hb_clos
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "harfbuzz",
        "purl": "pkg:generic/harfbuzz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "bc899650c7976df7bc62ed55da5268f1d10b9a43"
            },
            {
              "fixed": "4e2f409bce77b97de2d098365977beeeb4447b1e"
            }
          ],
          "repo": "https://github.com/harfbuzz/harfbuzz.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "3.3.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nOT::CoverageFormat1::intersected_coverage_glyphs\nOT::ChainContextFormat3::closure\nOT::hb_closure_context_t::return_t OT::SubstLookupSubTable::dispatch\u003cOT::hb_clos\n```\n",
  "id": "OSV-2022-111",
  "modified": "2022-04-13T03:04:33.208408Z",
  "published": "2022-02-02T00:00:17.029431Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257"
    }
  ],
  "schema_version": "1.2.0",
  "summary": "Heap-use-after-free in OT::CoverageFormat1::intersected_coverage_glyphs"
}


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