CVE-2018-1426: IBM DB2

Critical severity, CVSS 9.1. EPSS: 2.4% chance of exploitation in the next 30 days.

IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material. IBM X-Force ID: 139071.

Affected products

• IBM DB2: version 9.7 only; version 10.1 only; version 10.5 only; version 11.1 only

Published 2018-03-22. Last modified 2026-06-17.