CVE-2026-4224 Affecting python3.13 package, versions <3.13.5-2+e36


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.7% (52nd percentile)

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  • Snyk IDSNYK-ECHOLATEST-PYTHON313-17982199
  • published15 Jul 2026
  • disclosed16 Mar 2026

Introduced: 16 Mar 2026

CVE-2026-4224  (opens in a new tab)

How to fix?

Upgrade Echo:latest python3.13 to version 3.13.5-2+e36 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.13 package and not the python3.13 package as distributed by Echo. See How to fix? for Echo:latest 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