Allocation of Resources Without Limits or Throttling Affecting tkinter package, versions <0:2.7.5-94.el7_9.2


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.7% (48th percentile)

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  • Snyk IDSNYK-RHEL7-TKINTER-15146928
  • published29 Jan 2026
  • disclosed3 Dec 2025

Introduced: 3 Dec 2025

CVE-2025-12084  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade RHEL:7 tkinter to version 0:2.7.5-94.el7_9.2 or higher.
This issue was patched in RHSA-2026:1537.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tkinter package and not the tkinter package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1