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

Last Updated

2026-06-02

EPSS Score

0.41% (percentile: 33.0%)

Affected Products (6)

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
• cbl2 reaper 3.1.1-22 on CBL Mariner 2.0

Other

• 21192-17084
• 21370-17084

Revision History

• 2026-03-29: Information published.
• 2026-03-30: Information published.
• 2026-04-14: Information published.
• 2026-04-15: Information published.
• 2026-04-16: Information published.
• 2026-05-31: Information published.
• 2026-06-01: Information published.
• 2026-06-02: Information published.