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NVD Vulnerability Details :
CVE-2025-12084
Modified
More InfoOfficial Page
Source-cna@python.org
View Known Exploited Vulnerability (KEV) details
Published At-03 Dec, 2025 | 19:15
Updated At-26 Jan, 2026 | 15:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.3MEDIUM
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
Primary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Secondary
Version: 4.0
Base score: 6.3
Base severity: MEDIUM
Vector:
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
Type: Primary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CPE Matches
Python Software Foundation
python
>>python>>Versions before 3.13.11(exclusive)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
Python Software Foundation
python
>>python>>Versions from 3.14.0(inclusive) to 3.14.2(exclusive)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
Python Software Foundation
python
>>python>>3.15.0
cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:*
Python Software Foundation
python
>>python>>3.15.0
cpe:2.3:a:python:python:3.15.0:alpha2:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-407Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-407
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0cna@python.org
Patch
https://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4cna@python.org
Patch
https://github.com/python/cpython/commit/27648a1818749ef44c420afe6173af6868715437cna@python.org
N/A
https://github.com/python/cpython/commit/41f468786762348960486c166833a218a0a436afcna@python.org
N/A
https://github.com/python/cpython/commit/57937a8e5e293f0dcba5115f7b7a11b1e0c9a273cna@python.org
N/A
https://github.com/python/cpython/commit/8d2d7bb2e754f8649a68ce4116271a4932f76907cna@python.org
N/A
https://github.com/python/cpython/commit/9c9dda6625a2a90d2a06c657eee021d6be19842dcna@python.org
N/A
https://github.com/python/cpython/commit/a46c10ec9d4050ab67b8a932e0859a2ea60c3cb8cna@python.org
N/A
https://github.com/python/cpython/commit/a696ba8b4d42fd632afc9bc88ad830a2e4cceed8cna@python.org
N/A
https://github.com/python/cpython/commit/c97e87593063d84a2bd9fe7068b30eb44de23dc0cna@python.org
N/A
https://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964cna@python.org
Patch
https://github.com/python/cpython/commit/e91c11449cad34bac3ea55ee09ca557691d92b53cna@python.org
N/A
https://github.com/python/cpython/issues/142145cna@python.org
Issue Tracking
Patch
https://github.com/python/cpython/pull/142146cna@python.org
Issue Tracking
Patch
Hyperlink: https://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0
Source: cna@python.org
Resource:
Patch
Hyperlink: https://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4
Source: cna@python.org
Resource:
Patch
Hyperlink: https://github.com/python/cpython/commit/27648a1818749ef44c420afe6173af6868715437
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/commit/41f468786762348960486c166833a218a0a436af
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/commit/57937a8e5e293f0dcba5115f7b7a11b1e0c9a273
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/commit/8d2d7bb2e754f8649a68ce4116271a4932f76907
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/commit/9c9dda6625a2a90d2a06c657eee021d6be19842d
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/commit/a46c10ec9d4050ab67b8a932e0859a2ea60c3cb8
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/commit/a696ba8b4d42fd632afc9bc88ad830a2e4cceed8
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/commit/c97e87593063d84a2bd9fe7068b30eb44de23dc0
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964
Source: cna@python.org
Resource:
Patch
Hyperlink: https://github.com/python/cpython/commit/e91c11449cad34bac3ea55ee09ca557691d92b53
Source: cna@python.org
Resource: N/A
Hyperlink: https://github.com/python/cpython/issues/142145
Source: cna@python.org
Resource:
Issue Tracking
Patch
Hyperlink: https://github.com/python/cpython/pull/142146
Source: cna@python.org
Resource:
Issue Tracking
Patch
Change History
0Changes found
Details not found