Bug 2418655 (CVE-2025-12084) - CVE-2025-12084 cpython: python: cpython: Quadratic algorithm in xml.dom.minidom leads to denial of service
Summary: CVE-2025-12084 cpython: python: cpython: Quadratic algorithm in xml.dom.minid...
Keywords:
Status: NEW
Alias: CVE-2025-12084
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Depends On: 2421612 2421614 2421616 2421623 2421625 2421630 2421633 2421636 2421642 2422516 2422517 2422518 2422519 2422520 2422521 2422522 2422524 2421608 2421620 2421628 2421639
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-03 19:01 UTC by OSIDB Bzimport
Modified: 2025-12-15 22:38 UTC (History)
14 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2025-12-03 19:01:30 UTC 
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.
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