osv-2025-550
Vulnerability from osv_ossfuzz
Published
2025-07-16 00:09
Modified
2025-07-16 00:09
Summary
Use-of-uninitialized-value in CFF::cff2_cs_opset_t<cff2_cs_opset_subr_subset_t, CFF::subr_subset_param_t, CFF:
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=431867896

Crash type: Use-of-uninitialized-value
Crash state:
CFF::cff2_cs_opset_t<cff2_cs_opset_subr_subset_t, CFF::subr_subset_param_t, CFF:
cff2_cs_opset_subr_subset_t::process_op
CFF::subr_subsetter_t<cff2_subr_subsetter_t, CFF::Subrs<OT::NumType<true, unsign
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "introduced_range": "5afbd187b6a05d1764be1fb188e0b9e56dfa7f2c:cf7bffb690efc0d1d9926f8c92620328c4d171b1"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "harfbuzz",
        "purl": "pkg:generic/harfbuzz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "efcb7d3de1efbd17b01263e3cea757c9579b555a"
            },
            {
              "fixed": "04d60de6ae06562262f04e8e2e4d9441c66233e0"
            }
          ],
          "repo": "https://github.com/harfbuzz/harfbuzz.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "11.1.0",
        "11.2.0",
        "11.2.1",
        "11.3.0",
        "11.3.1",
        "11.3.2",
        "11.3.3"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=431867896\n\n```\nCrash type: Use-of-uninitialized-value\nCrash state:\nCFF::cff2_cs_opset_t\u003ccff2_cs_opset_subr_subset_t, CFF::subr_subset_param_t, CFF:\ncff2_cs_opset_subr_subset_t::process_op\nCFF::subr_subsetter_t\u003ccff2_subr_subsetter_t, CFF::Subrs\u003cOT::NumType\u003ctrue, unsign\n```\n",
  "id": "OSV-2025-550",
  "modified": "2025-07-16T00:09:08.051469Z",
  "published": "2025-07-16T00:09:08.050994Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=431867896"
    }
  ],
  "schema_version": "1.6.0",
  "summary": "Use-of-uninitialized-value in CFF::cff2_cs_opset_t\u003ccff2_cs_opset_subr_subset_t, CFF::subr_subset_param_t, CFF:"
}


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