CVE-2025-4435 Affecting python3-idle package, versions <0:3.9.21-2.el9_6.1


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.08% (24th percentile)

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  • Snyk IDSNYK-ROCKY9-PYTHON3IDLE-13743804
  • published29 Oct 2025
  • disclosed3 Jun 2025

Introduced: 3 Jun 2025

CVE-2025-4435  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 python3-idle to version 0:3.9.21-2.el9_6.1 or higher.
This issue was patched in RLSA-2025:10136.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-idle package and not the python3-idle package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

When using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior is that any filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel = 0 in affected versions is that the member would still be extracted and not skipped.

CVSS Base Scores

version 3.1