osv-2020-1850
Vulnerability from osv_ossfuzz
Published
2020-09-26 00:00
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in fmt::v6::basic_string_view<char>::basic_string_view
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21763

Crash type: Heap-buffer-overflow READ 2
Crash state:
fmt::v6::basic_string_view<char>::basic_string_view
fmt::v6::basic_format_arg<fmt::v6::basic_format_context<std::__1::back_insert_it
fmt::v6::basic_format_context<std::__1::back_insert_iterator<fmt::v6::internal::

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libfmt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8a4630686e2dd24900897298c4ae1362de749ed8"
            },
            {
              "fixed": "c9a57b9a81868188470c611e09accc189383e4ad"
            }
          ],
          "repo": "https://github.com/fmtlib/fmt.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21763\n\n```\nCrash type: Heap-buffer-overflow READ 2\nCrash state:\nfmt::v6::basic_string_view\u003cchar\u003e::basic_string_view\nfmt::v6::basic_format_arg\u003cfmt::v6::basic_format_context\u003cstd::__1::back_insert_it\nfmt::v6::basic_format_context\u003cstd::__1::back_insert_iterator\u003cfmt::v6::internal::\n```\n",
  "id": "OSV-2020-1850",
  "modified": "2022-04-13T03:04:41.471399Z",
  "published": "2020-09-26T00:00:33.702898Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21763"
    }
  ],
  "summary": "Heap-buffer-overflow in fmt::v6::basic_string_view\u003cchar\u003e::basic_string_view"
}


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