CVE-2026-0865 Affecting python3-tkinter package, versions <0:3.9.25-3.el9_7.1


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.46% (37th percentile)

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  • Snyk IDSNYK-ALMALINUX9-PYTHON3TKINTER-15661022
  • published16 Mar 2026
  • disclosed10 Mar 2026

Introduced: 10 Mar 2026

CVE-2026-0865  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 python3-tkinter to version 0:3.9.25-3.el9_7.1 or higher.
This issue was patched in ALSA-2026:4168.

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 AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

User-controlled header names and values containing newlines can allow injecting HTTP headers.

References

CVSS Base Scores

version 3.1