osv-2022-1209
Vulnerability from osv_ossfuzz
Published
2022-11-25 13:00
Modified
2022-11-25 13:00
Summary
Heap-buffer-overflow in OT::hb_ot_apply_context_t::skipping_iterator_t::next
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53714

Crash type: Heap-buffer-overflow READ 4
Crash state:
OT::hb_ot_apply_context_t::skipping_iterator_t::next
OT::Layout::GSUB_impl::Ligature<OT::Layout::SmallTypes>::apply
bool OT::hb_accelerate_subtables_context_t::apply_to<OT::Layout::GSUB_impl::Liga
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "harfbuzz",
        "purl": "pkg:generic/harfbuzz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1fa64c0c23ed86d60117198420587aee81fdc8d8"
            },
            {
              "fixed": "4c49daf7cd961fb47126baf04240243736cae606"
            }
          ],
          "repo": "https://github.com/harfbuzz/harfbuzz.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53714\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nOT::hb_ot_apply_context_t::skipping_iterator_t::next\nOT::Layout::GSUB_impl::Ligature\u003cOT::Layout::SmallTypes\u003e::apply\nbool OT::hb_accelerate_subtables_context_t::apply_to\u003cOT::Layout::GSUB_impl::Liga\n```\n",
  "id": "OSV-2022-1209",
  "modified": "2022-11-25T13:00:49.966564Z",
  "published": "2022-11-25T13:00:49.966315Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53714"
    }
  ],
  "schema_version": "1.3.0",
  "summary": "Heap-buffer-overflow in OT::hb_ot_apply_context_t::skipping_iterator_t::next"
}


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