What’s Vulnerable › Vulnerabilities

CVE-2026-16440

• Severity: medium (CVSS 5.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-19 · updated 2026-10-22
• Weakness: CWE-674

Description

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Affected products

• The Eclipse Foundation Eclipse OpenJ9: from 0.8.0 before 0.60 — fixed in 0.60

How to fix

Upgrade to a fixed version: The Eclipse Foundation Eclipse OpenJ9 0.60. Check the vendor advisory for mitigations.

References

• https://github.com/eclipse-openj9/openj9/pull/24572
• https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-ch6r-v7rg-4jqx
• https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-ch6r-v7rg-4jqx

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