CVE-2026-5958: Race Condition in GNU Sed

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Apr

Released

2026-04-22

EPSS Score

0.00% (percentile: 0.2%)

Affected Products (2)

Open Source Software

• cbl2 sed 4.8-3 on CBL Mariner 2.0
• azl3 sed 4.9-1 on Azure Linux 3.0

Revision History

• 2026-04-22: Information published.