CVE-2026-16439

Eclipse OpenJ9 : Using -Xtrace to trace method arguments can lead to buffer underflow

State: Published
Severity: 5.8 Medium
Published: Jul 21, 2026
Updated: Jul 22, 2026
Reserved: Jul 21, 2026

Description

In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.

Scores

CVSS	Score	Vector	Source
4.0	5.8 Medium	CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:L/SA:L	eclipse

Weaknesses

CWE-124 Buffer underwrite ('buffer underflow')

Affected Products

Product	Versions
OpenJ9Eclipse Foundation	0.8.0 to before 0.60.0Affected before 0.8.0Not affected 0.60.0Not affected

References

https://github.com/eclipse-openj9/openj9/pull/24394
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/192

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