Arbitrary Command Injection Affecting python3-tkinter package, versions <0:3.6.8-21.el7_9.4


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.32% (23rd percentile)

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  • Snyk IDSNYK-RHEL7-PYTHON3TKINTER-15918957
  • published7 Apr 2026
  • disclosed20 Jan 2026

Introduced: 20 Jan 2026

CVE-2025-15367  (opens in a new tab)
CWE-77  (opens in a new tab)

How to fix?

Upgrade RHEL:7 python3-tkinter to version 0:3.6.8-21.el7_9.4 or higher.
This issue was patched in RHSA-2026:6464.

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:7 relevant fixed versions and status.

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.

CVSS Base Scores

version 3.1