Arbitrary Argument Injection Affecting tkinter package, versions <0:2.7.18-1.amzn2.0.18


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.03% (10th percentile)

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  • Snyk IDSNYK-AMZN2-TKINTER-16081056
  • published16 Apr 2026
  • disclosed20 Mar 2026

Introduced: 20 Mar 2026

NewCVE-2026-4519  (opens in a new tab)
CWE-88  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 tkinter to version 0:2.7.18-1.amzn2.0.18 or higher.
This issue was patched in ALAS2-2026-3227.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tkinter package and not the tkinter package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New behavior rejects leading dashes. Users are recommended to sanitize URLs prior to passing to webbrowser.open().

CVSS Base Scores

version 3.1