osv-2026-595
Vulnerability from osv_ossfuzz
Published
2026-04-20 00:05
Modified
2026-04-20 00:05
Summary
UNKNOWN WRITE in std::__1::istreambuf_iterator<char, std::__1::char_traits<char>> std::__1::num_g
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=504141064

Crash type: UNKNOWN WRITE
Crash state:
std::__1::istreambuf_iterator<char, std::__1::char_traits<char>> std::__1::num_g
std::__1::basic_istream<char, std::__1::char_traits<char>>& std::__1::__input_ar
igl::MshLoader::parse_element_field
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "introduced_range": "unknown:96f5386b9a3ff8ad1c2f89b7b77a7db85d86b35b"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libigl",
        "purl": "pkg:generic/libigl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "96f5386b9a3ff8ad1c2f89b7b77a7db85d86b35b"
            },
            {
              "fixed": "83807ad36fa35a52d9f458d7202f0776d4ba882a"
            }
          ],
          "repo": "https://github.com/libigl/libigl",
          "type": "GIT"
        }
      ],
      "versions": [
        "v2.4.0",
        "v2.5.0",
        "v2.6.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=504141064\n\n```\nCrash type: UNKNOWN WRITE\nCrash state:\nstd::__1::istreambuf_iterator\u003cchar, std::__1::char_traits\u003cchar\u003e\u003e std::__1::num_g\nstd::__1::basic_istream\u003cchar, std::__1::char_traits\u003cchar\u003e\u003e\u0026 std::__1::__input_ar\nigl::MshLoader::parse_element_field\n```\n",
  "id": "OSV-2026-595",
  "modified": "2026-04-20T00:05:53.121886Z",
  "published": "2026-04-20T00:05:53.121612Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=504141064"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "UNKNOWN WRITE in std::__1::istreambuf_iterator\u003cchar, std::__1::char_traits\u003cchar\u003e\u003e std::__1::num_g"
}


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