Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.
[
    {
        "id": "CVE-2021-41817-00851ec3",
        "target": {
            "function": "date_s_httpdate",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 349.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-0a8ccd88",
        "target": {
            "function": "date_s_iso8601",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 330.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-1ce04369",
        "target": {
            "function": "date_s_parse",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
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            "length": 425.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-57623106",
        "target": {
            "function": "Init_date_core",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 11877.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-6020e96d",
        "target": {
            "function": "date_s_rfc2822",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 350.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-71161590",
        "target": {
            "function": "date_s_rfc3339",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
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            "length": 345.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-784127a3",
        "target": {
            "function": "datetime_s_httpdate",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 349.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-a238ee62",
        "target": {
            "function": "datetime_s_rfc2822",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 350.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-b10da5e4",
        "target": {
            "function": "datetime_s_xmlschema",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 345.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-bc8c6958",
        "target": {
            "function": "datetime_s_parse",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 440.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-bcaea3ba",
        "target": {
            "function": "date_s_jisx0301",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 330.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-c0c48b0d",
        "target": {
            "function": "datetime_s_jisx0301",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 345.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-c71061fd",
        "target": {
            "function": "date_s__parse_internal",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 490.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-d26edbb7",
        "target": {
            "function": "datetime_s_rfc3339",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 345.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-e1a2b1b8",
        "target": {
            "function": "date_s_xmlschema",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
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            "length": 330.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
    {
        "id": "CVE-2021-41817-f131b13d",
        "target": {
            "function": "datetime_s_iso8601",
            "file": "ext/date/date_core.c"
        },
        "signature_type": "Function",
        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
        "digest": {
            "function_hash": "231046672181619559592437142964071672016",
            "length": 345.0
        },
        "deprecated": false,
        "signature_version": "v1"
    },
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        "id": "CVE-2021-41817-fdacb88c",
        "target": {
            "file": "ext/date/date_core.c"
        },
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        "source": "https://github.com/ruby/date/commit/4f9b8e946ba98f0a1774f8e677baa4a45637ebb3",
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