CVE-2026-4224 Affecting python3.12-idle package, versions <0:3.12.13-2.el8_10


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-ROCKY8-PYTHON312IDLE-16330542
  • published1 May 2026
  • disclosed16 Mar 2026

Introduced: 16 Mar 2026

CVE-2026-4224  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 python3.12-idle to version 0:3.12.13-2.el8_10 or higher.
This issue was patched in RLSA-2026:10950.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.12-idle package and not the python3.12-idle package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs.

CVSS Base Scores

version 3.1