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    "github_reviewed_at": "2021-05-13T18:54:35Z",
    "nvd_published_at": "2021-05-13T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "\nImpact\n\nPassing either \u0027infinity\u0027, \u0027inf\u0027 or float(\u0027inf\u0027) (or their negatives) to datetime or date fields causes validation to run forever with 100% CPU usage (on one CPU).\nPatches\n\nPydantic is be patched with fixes available in the following versions:\n\n    v1.8.2\n    v1.7.4\n    v1.6.2\n\nAll these versions are available on pypi, and will be available on conda-forge soon.\n\nSee the changelog for details.\nWorkarounds\n\nIf you absolutely can\u0027t upgrade, you can work around this risk using a validator to catch these values, brief demo:\n\nfrom datetime import date\nfrom pydantic import BaseModel, validator\n\nclass DemoModel(BaseModel):\n    date_of_birth: date\n\n    @validator(\u0027date_of_birth\u0027, pre=True)\n    def skip_infinite_values(cls, v):\n        try:\n            seconds = float(v)\n        except (ValueError, TypeError):\n            return v\n        else:\n            if seconds == float(\u0027inf\u0027):\n                return date.max\n            elif seconds == float(\u0027-inf\u0027):\n                return date.min\n            else:\n                return seconds\n\nNote: this is not an ideal solution (in particular you\u0027ll need a slightly different function for datetimes), instead of a hack like this you should upgrade pydantic.\n\nIf you are not using v1.8.x, v1.7.x or v1.6.x and are unable to upgrade to a fixed version of pydantic, please create an issue requesting a back-port, and we will endeavour to release a patch for earlier versions of pydantic.\nReferences\n\nThis was fixed in commit 7e83fdd.\n",
  "id": "GHSA-5jqp-qgf6-3pvh",
  "modified": "2024-10-21T20:16:10Z",
  "published": "2021-05-13T20:23:17Z",
  "references": [
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      "url": "https://github.com/samuelcolvin/pydantic/security/advisories/GHSA-5jqp-qgf6-3pvh"
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    {
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29510"
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    },
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      "type": "CVSS_V3"
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      "type": "CVSS_V4"
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  "summary": "Use of \"infinity\" as an input to datetime and date fields causes infinite loop in pydantic"
}

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