CRLF Injection Affecting python3.12-tkinter package, versions <0:3.12.13-2.amzn2023.0.4


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.56% (43rd percentile)

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  • Snyk IDSNYK-AMZN2023-PYTHON312TKINTER-18063258
  • published21 Jul 2026
  • disclosed10 Apr 2026

Introduced: 10 Apr 2026

CVE-2026-1502  (opens in a new tab)
CWE-93  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 python3.12-tkinter to version 0:3.12.13-2.amzn2023.0.4 or higher.
This issue was patched in ALAS2023-2026-1954.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.12-tkinter package and not the python3.12-tkinter package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.

CVSS Base Scores

version 3.1