CVE-2002-2042: Qnx Rtos

High severity, CVSS 7.2. EPSS: 1% chance of exploitation in the next 30 days.

ptrace in the QNX realtime operating system (RTOS) 4.25 and 6.1.0 allows programs to attach to privileged processes, which could allow local users to execute arbitrary code by modifying running processes.

Affected products

• Qnx Rtos: version 4.25 only; version 6.1.0 only

Published 2002-12-31. Last modified 2026-06-16.