CVE-2026-5447: Heap buffer overflow in CertFromX509() via AuthorityKeyIdentifier

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Apr

Released

2026-04-15

EPSS Score

0.03% (percentile: 9.3%)

Affected Products (2)

Open Source Software

• azl3 mariadb 10.11.16-1 on Azure Linux 3.0

Other

• 21143-17086

Revision History

• 2026-04-15: Information published.