osv-2020-484
Vulnerability from osv_ossfuzz
Published
2020-07-01 00:00
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in AAT::KerxSubTableFormat4<AAT::KerxSubTableHeader>::driver_context_t::transition
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12532

Crash type: Heap-buffer-overflow READ 4
Crash state:
AAT::KerxSubTableFormat4<AAT::KerxSubTableHeader>::driver_context_t::transition
void AAT::StateTableDriver<AAT::ExtendedTypes, AAT::KerxSubTableFormat4<AAT::Ker
AAT::KerxSubTableFormat4<AAT::KerxSubTableHeader>::apply
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{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "harfbuzz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4009a05ca7de21fff2176621597cd0cd01e9d80e"
            },
            {
              "fixed": "cc8e9a436fa408a1c63f4b9afb7643cea76a079c"
            }
          ],
          "repo": "https://github.com/harfbuzz/harfbuzz.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.2.0",
        "2.3.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12532\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nAAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::driver_context_t::transition\nvoid AAT::StateTableDriver\u003cAAT::ExtendedTypes, AAT::KerxSubTableFormat4\u003cAAT::Ker\nAAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::apply\n```\n",
  "id": "OSV-2020-484",
  "modified": "2022-04-13T03:04:32.842142Z",
  "published": "2020-07-01T00:00:12.297418Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12532"
    }
  ],
  "summary": "Heap-buffer-overflow in AAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::driver_context_t::transition"
}


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