CVE-2026-33671: Picomatch has a ReDoS vulnerability via extglob quantifiers

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Mar

Released

2026-03-29

EPSS Score

0.04% (percentile: 12.2%)

Affected Products (4)

Open Source Software

• azl3 nodejs24 24.13.0-3 on Azure Linux 3.0
• azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0
• cbl2 python-tensorboard 2.11.0-3 on CBL Mariner 2.0

Other

• 20776-17086

Revision History

• 2026-03-29: Information published.