CVE-2026-16440

openj9: Eclipse OpenJ9: Denial of Service via crafted .class file

Published Aug 19, 2026 CVSS 4.0 · 5.7 Medium EPSS < 1% KEV · Not listed
Description
In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Segmentation fault caused by deeply nested annotations in Eclipse OpenJ9 openj9: Eclipse OpenJ9: Denial of Service via crafted .class file
Weaknesses CWE-787
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Type Values Removed Values Added
Title Segmentation fault caused by deeply nested annotations in Eclipse OpenJ9
Type Values Removed Values Added
Title Segmentation Fault from Deeply Nested Annotations in Eclipse OpenJ9
Type Values Removed Values Added
Title Segmentation Fault from Deeply Nested Annotations in Eclipse OpenJ9
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
eclipse
Published
Updated
Aug 19, 2026, 3:39 PM
Reserved
Jul 21, 2026, 6:42 AM
Status
Deferred
Published
Aug 19, 2026, 11:16 AM
Modified
Oct 22, 2026, 8:09 AM
Severity
Moderate
Public date
Aug 19, 2026, 10:12 AM