Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python3-tkinter package, versions <0:3.12.13-2.el10_2.1


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Social Trends
EPSS
0.62% (47th percentile)

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  • Snyk IDSNYK-RHEL10-PYTHON3TKINTER-17974065
  • published15 Jul 2026
  • disclosed9 Jul 2026

Introduced: 9 Jul 2026

NewCVE-2026-15308  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade RHEL:10 python3-tkinter to version 0:3.12.13-2.el10_2.1 or higher.
This issue was patched in RHSA-2026:39183.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-tkinter package and not the python3-tkinter package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.

CVSS Base Scores

version 3.1