Allocation of Resources Without Limits or Throttling The advisory has been revoked - it doesn't affect any version of package python (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-PYTHON-14422947
- published17 Dec 2025
- disclosed3 Dec 2025
Introduced: 3 Dec 2025
CVE-2025-12084 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python package and not the python package as distributed by RHEL.
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.
References
- https://access.redhat.com/security/cve/CVE-2025-12084
- https://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0
- https://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4
- https://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964
- https://github.com/python/cpython/issues/142145
- https://github.com/python/cpython/pull/142146
- https://github.com/python/cpython/commit/27648a1818749ef44c420afe6173af6868715437
- https://github.com/python/cpython/commit/8d2d7bb2e754f8649a68ce4116271a4932f76907
- https://github.com/python/cpython/commit/9c9dda6625a2a90d2a06c657eee021d6be19842d
- https://github.com/python/cpython/commit/a696ba8b4d42fd632afc9bc88ad830a2e4cceed8
- https://github.com/python/cpython/commit/41f468786762348960486c166833a218a0a436af
- https://github.com/python/cpython/commit/57937a8e5e293f0dcba5115f7b7a11b1e0c9a273
- https://github.com/python/cpython/commit/e91c11449cad34bac3ea55ee09ca557691d92b53
- https://github.com/python/cpython/commit/a46c10ec9d4050ab67b8a932e0859a2ea60c3cb8
- https://github.com/python/cpython/commit/c97e87593063d84a2bd9fe7068b30eb44de23dc0