IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit setuid-root utility.
The issue has been fixed in IBM Informix versions 14.10.xC13W13 and 15.0.1.14.
- Fixes are available on IBM Fix Central - Select Fixes - Informix Server https://www.ibm.com/support/fixcentral/swg/selectFixes .
- Follow the instructions for Database server upgrades https://www.ibm.com/docs/en/informix-servers/14.10 in the Informix Servers documentation.