CVE-2026-4046: iconv crash due to assertion failure with untrusted input

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

2026-04-02

Last Updated

2026-05-19

EPSS Score

0.07% (percentile: 20.0%)

Affected Products (2)

Open Source Software

• cbl2 glibc 2.35-10 on CBL Mariner 2.0
• azl3 glibc 2.38-19 on Azure Linux 3.0

Revision History

• 2026-04-02: Information published.
• 2026-05-19: Information published.