CVE-2025-12084

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:python:python:3.15.0:alpha2:*:*:*:*:*:*

History

16 Dec 2025, 21:13

Type Values Removed Values Added
CPE cpe:2.3:a:python:python:3.15.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.3
First Time Python
Python python
References () https://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0 - () https://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0 - Patch
References () https://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4 - () https://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4 - Patch
References () https://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964 - () https://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964 - Patch
References () https://github.com/python/cpython/issues/142145 - () https://github.com/python/cpython/issues/142145 - Issue Tracking, Patch
References () https://github.com/python/cpython/pull/142146 - () https://github.com/python/cpython/pull/142146 - Issue Tracking, Patch

05 Dec 2025, 17:16

Type Values Removed Values Added
References
  • () https://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0 -
  • () https://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964 -

03 Dec 2025, 20:16

Type Values Removed Values Added
CWE CWE-407

03 Dec 2025, 19:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-12-03 19:15

Updated : 2025-12-16 21:13


NVD link : CVE-2025-12084

Mitre link : CVE-2025-12084

CVE.ORG link : CVE-2025-12084


JSON object : View

Products Affected

python

  • python
CWE
CWE-407

Inefficient Algorithmic Complexity