CVE-2026-4224 Affecting python311 package, versions <3.11.15-150400.9.85.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.64% (48th percentile)

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  • Snyk IDSNYK-SLES154-PYTHON311-16121434
  • published22 Apr 2026
  • disclosed21 Apr 2026

Introduced: 21 Apr 2026

CVE-2026-4224  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 python311 to version 3.11.15-150400.9.85.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python311 package and not the python311 package as distributed by SLES. See How to fix? for SLES:15.4 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