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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-12084",
        "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "state": "PUBLISHED",
        "assignerShortName": "PSF",
        "dateReserved": "2025-10-22T16:06:55.078Z",
        "datePublished": "2025-12-03T18:55:32.222Z",
        "dateUpdated": "2026-03-03T14:41:38.821Z"
    },
    "containers": {
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            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "CPython",
                    "repo": "https://github.com/python/cpython",
                    "vendor": "Python Software Foundation",
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                            "version": "0",
                            "lessThan": "3.10.20",
                            "status": "affected",
                            "versionType": "python"
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                            "version": "3.11.0",
                            "lessThan": "3.11.15",
                            "status": "affected",
                            "versionType": "python"
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                            "version": "3.12.0",
                            "lessThan": "3.12.13",
                            "status": "affected",
                            "versionType": "python"
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                            "version": "3.13.0",
                            "lessThan": "3.13.11",
                            "status": "affected",
                            "versionType": "python"
                        },
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                            "version": "3.14.0",
                            "lessThan": "3.14.2",
                            "status": "affected",
                            "versionType": "python"
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                        {
                            "version": "3.15.0a1",
                            "lessThan": "3.15.0a3",
                            "status": "affected",
                            "versionType": "python"
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                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Jacob Walls"
                },
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Shai Berger"
                },
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Natalia Bidart"
                },
                {
                    "lang": "en",
                    "type": "coordinator",
                    "value": "Seth Larson"
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            ],
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                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "When building nested elements using <code>xml.dom.minidom</code> methods such as <code><code>appendChild()</code></code> that have a dependency on <code>_clear_id_cache()</code> the algorithm is quadratic. Availability can be impacted when building excessively nested documents."
                        }
                    ],
                    "value": "When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents."
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            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "attackVector": "NETWORK",
                        "baseScore": 6.3,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "LOW",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
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                "dateUpdated": "2026-03-03T14:41:38.821Z"
            },
            "references": [
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/pull/142146"
                },
                {
                    "tags": [
                        "issue-tracking"
                    ],
                    "url": "https://github.com/python/cpython/issues/142145"
                },
                {
                    "tags": [
                        "patch"
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                    "url": "https://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4"
                },
                {
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                        "patch"
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                    "url": "https://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0"
                },
                {
                    "tags": [
                        "patch"
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                    "url": "https://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964"
                },
                {
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                    "url": "https://github.com/python/cpython/commit/27648a1818749ef44c420afe6173af6868715437"
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                },
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                    "url": "https://github.com/python/cpython/commit/9c9dda6625a2a90d2a06c657eee021d6be19842d"
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                    "url": "https://github.com/python/cpython/commit/a696ba8b4d42fd632afc9bc88ad830a2e4cceed8"
                },
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                    "url": "https://github.com/python/cpython/commit/41f468786762348960486c166833a218a0a436af"
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                    "url": "https://github.com/python/cpython/commit/57937a8e5e293f0dcba5115f7b7a11b1e0c9a273"
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                },
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                    ],
                    "url": "https://github.com/python/cpython/commit/c97e87593063d84a2bd9fe7068b30eb44de23dc0"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Quadratic complexity in node ID cache clearing",
            "x_generator": {
                "engine": "Vulnogram 0.5.0"
            }
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-407",
                                "lang": "en",
                                "description": "CWE-407 Inefficient Algorithmic Complexity"
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                ],
                "metrics": [
                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-12-03T19:13:23.548683Z",
                                "id": "CVE-2025-12084",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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                    "dateUpdated": "2025-12-03T19:14:59.450Z"
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}