CVE-2026-16439: Eclipse OpenJ9 : Using -Xtrace to trace method arguments can lead to buffer underflow
Published Jul 21, 2026
·Updated
In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.
Affected Software
1 affected component
Eclipse Openj9<=0.60
Event History
Jul 21, 2026
CVE Published
via MITRE·05:28 PM
Data Sourced
via MITRE·05:28 PM
DescriptionWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-16439?
The severity of CVE-2026-16439 is classified as medium with a CVSS score of 5.8.
2
How do I fix CVE-2026-16439?
To fix CVE-2026-16439, upgrade to a patched version of Eclipse OpenJ9 released after 0.60.
3
What vulnerability does CVE-2026-16439 describe?
CVE-2026-16439 describes a buffer underflow issue when using the -Xtrace option in Eclipse OpenJ9.
4
Which versions of Eclipse OpenJ9 are affected by CVE-2026-16439?
Eclipse OpenJ9 versions up to 0.60 are affected by CVE-2026-16439.
5
What impact does CVE-2026-16439 have on Eclipse OpenJ9?
CVE-2026-16439 can potentially lead to buffer underflow when tracing method arguments, which may affect application stability and security.