{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-0938",
        "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "state": "PUBLISHED",
        "assignerShortName": "PSF",
        "dateReserved": "2025-01-31T17:45:10.107Z",
        "datePublished": "2025-01-31T17:51:35.898Z",
        "dateUpdated": "2026-07-31T14:05:21.438Z"
    },
    "containers": {
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                {
                    "defaultStatus": "unaffected",
                    "product": "CPython",
                    "repo": "https://github.com/python/cpython",
                    "vendor": "Python Software Foundation",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "3.9.22",
                            "status": "affected",
                            "versionType": "python"
                        },
                        {
                            "version": "3.10.0",
                            "lessThan": "3.10.17",
                            "status": "affected",
                            "versionType": "python"
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                        {
                            "version": "3.11.0",
                            "lessThan": "3.11.12",
                            "status": "affected",
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                            "version": "3.12.0",
                            "lessThan": "3.12.9",
                            "status": "affected",
                            "versionType": "python"
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                        {
                            "version": "3.13.0",
                            "lessThan": "3.13.2",
                            "status": "affected",
                            "versionType": "python"
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                        {
                            "version": "3.14.0a1",
                            "lessThan": "3.14.0a5",
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                            "versionType": "python"
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            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "The Python standard library functions `urllib.parse.urlsplit` and `urlparse` accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in differential parsing across the Python URL parser and other specification-compliant URL parsers.<br>"
                        }
                    ],
                    "value": "The Python standard library functions `urllib.parse.urlsplit` and `urlparse` accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in differential parsing across the Python URL parser and other specification-compliant URL parsers."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "attackVector": "NETWORK",
                        "baseScore": 6.3,
                        "baseSeverity": "MEDIUM",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "LOW",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
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            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-20",
                            "description": "CWE-20 Improper Input Validation",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
                "shortName": "PSF",
                "dateUpdated": "2026-07-31T14:05:21.438Z"
            },
            "references": [
                {
                    "tags": [
                        "issue-tracking"
                    ],
                    "url": "https://github.com/python/cpython/issues/105704"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/pull/129418"
                },
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/K4EUG6EKV6JYFIC24BASYOZS4M5XOQIB/"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/commit/d89a5f6a6e65511a5f6e0618c4c30a7aa5aba56a"
                },
                {
                    "tags": [
                        "patch"
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                    "url": "https://github.com/python/cpython/commit/90e526ae67b172ed7c6c56e7edad36263b0f9403"
                },
                {
                    "tags": [
                        "patch"
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                    "url": "https://github.com/python/cpython/commit/a7084f6075c9595ba60119ce8c62f1496f50c568"
                },
                {
                    "tags": [
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                    "url": "https://github.com/python/cpython/commit/526617ed68cde460236c973e5d0a8bad4de896ba"
                },
                {
                    "tags": [
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                    "url": "https://github.com/python/cpython/commit/b8b4b713c5f8ec0958c7ef8d29d6711889bc94ab"
                },
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                    "tags": [
                        "patch"
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                    "url": "https://github.com/python/cpython/commit/ff4e5c25666f63544071a6b075ae8b25c98b7a32"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "URL parser allowed square brackets in domain names",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-01-31T18:50:16.654297Z",
                                "id": "CVE-2025-0938",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-01-31T18:50:29.327Z"
                }
            },
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://security.netapp.com/advisory/ntap-20250314-0002/"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00013.html"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T20:56:43.285Z"
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}