CVE-2026-16439
Critical
Description
In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.
SeverityCritical
CVSS9.1
Exploit probability—
ProductEclipse Openj9
PublishedJul 21, 2026
First seenJul 21, 2026
Weakness typeCWE-124CWE-124
How to fix
Update
- eclipse openj90.60.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| eclipse openj9 | 0.8.0 ≤ v < 0.60.0 | 0.60.0 |
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