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

EPSS Score

0.04% (percentile: 12.1%)

Affected Products (2)

Open Source Software

• cbl2 glibc 2.35-10 on CBL Mariner 2.0

Other

• 21140-17084

Revision History

• 2026-04-02: Information published.