{"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":"2026-05-01T15:09:17.843Z"},"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"}]}],"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":"2026-05-01T15:09:17.843Z"},"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"}],"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"}}]}}