CVE-2026-4224: Stack overflow parsing XML with deeply nested DTD content models

Overview

Severity
N/A
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-19
EPSS Score
0.02% (percentile: 3.6%)

Affected Products (2)

Open Source Software

  • azl3 python3 3.12.9-9 on Azure Linux 3.0
  • cbl2 python3 3.9.19-19 on CBL Mariner 2.0

Revision History

  • 2026-03-19: Information published.