CVE-2026-16440 - Vulnerability Details - OpenCVE

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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Eclipse	Openj9

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Eclipse	Openj9

References

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

History

Wed, 19 Aug 2026 20:15:00 +0000

Type	Values Removed	Values Added
Title		Segmentation Fault from Deeply Nested Annotations in Eclipse OpenJ9

Wed, 19 Aug 2026 17:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 19 Aug 2026 14:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Eclipse Eclipse openj9
Vendors & Products		Eclipse Eclipse openj9

Wed, 19 Aug 2026 10:30:00 +0000

Type	Values Removed	Values Added
Description		In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.
Weaknesses		CWE-674
References		https://github.com/eclipse-openj9/openj9/pull/24572 https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-ch6r-v7rg-4jqx
Metrics		cvssV4_0 `{'score': 5.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L'}`

MITRE

Status: PUBLISHED

Assigner: eclipse

Published: 2026-08-19T10:12:24.389Z

Updated: 2026-08-19T15:39:52.363Z

Reserved: 2026-07-21T06:42:13.649Z

Link: CVE-2026-16440

Vulnrichment

Updated: 2026-08-19T15:39:17.495Z

NVD

Status : Received

Published: 2026-08-19T11:16:46.183

Modified: 2026-08-19T16:17:05.887

Link: CVE-2026-16440

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-19T20:00:05Z

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