CVE-2007-4003: IBM Aix

Medium severity, CVSS 6.9. EPSS: 1.8% chance of exploitation in the next 30 days.

pioout in IBM AIX 5.3 SP6 allows local users to execute arbitrary code by specifying a malicious library with the -R (ParseRoutine) command line argument.

Affected products

• IBM Aix: version 5.3 only

Published 2007-07-26. Last modified 2026-06-16.