{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-13462",
        "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "state": "PUBLISHED",
        "assignerShortName": "PSF",
        "dateReserved": "2025-11-19T22:05:07.578Z",
        "datePublished": "2026-03-12T17:59:26.620Z",
        "dateUpdated": "2026-06-04T14:02:48.304Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "modules": [
                        "tarfile"
                    ],
                    "product": "CPython",
                    "repo": "https://github.com/python/cpython",
                    "vendor": "Python Software Foundation",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "3.13.13",
                            "status": "affected",
                            "versionType": "python"
                        },
                        {
                            "version": "3.14.0",
                            "lessThan": "3.14.4",
                            "status": "affected",
                            "versionType": "python"
                        },
                        {
                            "version": "3.15.0a1",
                            "lessThan": "3.15.0a8",
                            "status": "affected",
                            "versionType": "python"
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                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "The \"tarfile\" module would still apply normalization of AREGTYPE (\\x00) blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPE_LONGNAME or GNUTYPE_LONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other implementations."
                        }
                    ],
                    "value": "The \"tarfile\" module would still apply normalization of AREGTYPE (\\x00) blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPE_LONGNAME or GNUTYPE_LONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other implementations."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "attackVector": "LOCAL",
                        "baseScore": 2,
                        "baseSeverity": "LOW",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "LOW",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
                "shortName": "PSF",
                "dateUpdated": "2026-06-04T14:02:48.304Z"
            },
            "references": [
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/pull/143934"
                },
                {
                    "tags": [
                        "issue-tracking"
                    ],
                    "url": "https://github.com/python/cpython/issues/141707"
                },
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/EOMI5I66ZMKQ2INNFT6T7IAIKUGPZYIE/"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/commit/42d754e34c06e57ad6b8e7f92f32af679912d8ab"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/commit/7ad3093d76a748af55bdb1d2e8aad3638163b017"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/commit/ae99fe3a33b43e303a05f012815cef60b611a9c7"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/commit/72dde1016493c52abe857fc4a7bf6c40138b4114"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/commit/9a23b753552afa28e3a2f4d8863572fc66479406"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/python/cpython/commit/d10950739a78f54d0718d88fb5a868374603c084"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling",
            "x_generator": {
                "engine": "Vulnogram 1.0.0"
            }
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-434",
                                "lang": "en",
                                "description": "CWE-434 Unrestricted Upload of File with Dangerous Type"
                            }
                        ]
                    },
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-74",
                                "lang": "en",
                                "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"
                            }
                        ]
                    },
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-20",
                                "lang": "en",
                                "description": "CWE-20 Improper Input Validation"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-03-12T19:09:23.808172Z",
                                "id": "CVE-2025-13462",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-03-12T19:09:51.230Z"
                }
            }
        ]
    }
}