CVE-2026-16439

Name of the Vulnerable Software and Affected Versions Eclipse OpenJ9 versions prior to 0.61

Description Using the -Xtrace option to trace method arguments can lead to a buffer underflow. A buffer underflow occurs when a program reads data from a memory address before the start of the intended buffer.

Recommendations Update to version 0.61 or later. As a temporary workaround, avoid using the -Xtrace option to trace method arguments.