Reliance on Untrusted Inputs in a Security Decision Affecting python3.13-tkinter package, versions <0:3.13.15-1.3.hum1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.46% (38th percentile)

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  • Snyk IDSNYK-RHEL10-PYTHON313TKINTER-20031755
  • published22 Sept 2026
  • disclosed13 May 2026

Introduced: 13 May 2026

CVE-2026-8328  (opens in a new tab)
CWE-807  (opens in a new tab)

How to fix?

Upgrade RHEL:10 python3.13-tkinter to version 0:3.13.15-1.3.hum1 or higher.
This issue was patched in RHSA-2026:68309.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.13-tkinter package and not the python3.13-tkinter package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

The ftpcp() function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed. While makepasv() was patched to replace server-supplied PASV host addresses with the actual peer address (getpeername()[0]), ftpcp() still calls parse227() directly and passes the raw attacker-controllable IP address and port to target.sendport(). This patch is related to CVE-2021-4189.

CVSS Base Scores

version 3.1