osv-2021-991
Vulnerability from osv_ossfuzz
Published
2021-07-14 00:00
Modified
2022-04-13 03:04
Summary
Dynamic-stack-buffer-overflow in fmt::v8::detail::dragonbox::umul192_upper64
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36110

Crash type: Dynamic-stack-buffer-overflow WRITE 8
Crash state:
fmt::v8::detail::dragonbox::umul192_upper64
fmt::v8::detail::dragonbox::cache_accessor<double>::compute_mul
fmt::v8::detail::dragonbox::decimal_fp<double> fmt::v8::detail::dragonbox::to_de
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": null
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "fmt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "bd3c792507e1a1003f7532088e976665dcbe4628"
            },
            {
              "fixed": "2038bf61831eb8faede0883965364a974d1350fe"
            }
          ],
          "repo": "https://github.com/fmtlib/fmt.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "7.1.0",
        "7.1.1",
        "7.1.2",
        "7.1.3",
        "8.0.0",
        "8.0.1"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36110\n\n```\nCrash type: Dynamic-stack-buffer-overflow WRITE 8\nCrash state:\nfmt::v8::detail::dragonbox::umul192_upper64\nfmt::v8::detail::dragonbox::cache_accessor\u003cdouble\u003e::compute_mul\nfmt::v8::detail::dragonbox::decimal_fp\u003cdouble\u003e fmt::v8::detail::dragonbox::to_de\n```\n",
  "id": "OSV-2021-991",
  "modified": "2022-04-13T03:04:33.958236Z",
  "published": "2021-07-14T00:00:34.913206Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36110"
    }
  ],
  "summary": "Dynamic-stack-buffer-overflow in fmt::v8::detail::dragonbox::umul192_upper64"
}


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