CVE-2026-16868: IBM I

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to the use of uninitialized memory during ASN.1 length processing.

Affected products

• IBM I: version 7.3 only; version 7.4 only; version 7.5 only; version 7.6 only

Published 2026-08-13. Last modified 2026-08-17.