CVE-2026-16440

Severity CVSS v4.0:

MEDIUM

Type:

Unavailable / Other

Publication date:

19/08/2026

Last modified:

19/08/2026

Description

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

Impact

Vector 4.0

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 CVSS v4.0 Severity and Metrics:

Base Score: 5.70 MEDIUM
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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): Present
Privileges Required (PR): Low
User Interaction (UI): Active
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): Low

Base Score 4.0

5.70

Severity 4.0

MEDIUM

References to Advisories, Solutions, and Tools

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