CVE-2025-12084

{"id": "CVE-2025-12084", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@python.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2025-12-03T19:15:55.050", "references": [{"url": "https://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/27648a1818749ef44c420afe6173af6868715437", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/41f468786762348960486c166833a218a0a436af", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/57937a8e5e293f0dcba5115f7b7a11b1e0c9a273", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/8d2d7bb2e754f8649a68ce4116271a4932f76907", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/9c9dda6625a2a90d2a06c657eee021d6be19842d", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/a46c10ec9d4050ab67b8a932e0859a2ea60c3cb8", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/a696ba8b4d42fd632afc9bc88ad830a2e4cceed8", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/c97e87593063d84a2bd9fe7068b30eb44de23dc0", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/e91c11449cad34bac3ea55ee09ca557691d92b53", "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/issues/142145", "tags": ["Issue Tracking", "Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/pull/142146", "tags": ["Issue Tracking", "Patch"], "source": "cna@python.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-407"}]}], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "Al construir elementos anidados utilizando m\u00e9todos de xml.dom.minidom como appendChild() que tienen una dependencia de _clear_id_cache(), el algoritmo es cuadr\u00e1tico. La disponibilidad puede verse afectada al construir documentos excesivamente anidados."}], "lastModified": "2026-01-26T15:16:05.950", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "701E94DB-563E-44FF-AABF-0F49A9FF664A", "versionEndExcluding": "3.13.11"}, {"criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2DC54087-753D-4990-AD62-F7D6DCD125D4", "versionEndExcluding": "3.14.2", "versionStartIncluding": "3.14.0"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A3327507-0B1D-4F28-A983-D07A2C8A7696"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C8AF17F1-A27F-4C98-BA5A-B4319710E8D1"}], "operator": "OR"}]}], "sourceIdentifier": "cna@python.org"}