CVE-2026-4224 Affecting python3-idle package, versions <3.6.15-150300.10.118.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-SLES155-PYTHON3IDLE-16479035
  • published7 May 2026
  • disclosed6 May 2026

Introduced: 6 May 2026

NewCVE-2026-4224  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 python3-idle to version 3.6.15-150300.10.118.1 or higher.

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 SLES. See How to fix? for SLES:15.5 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