CVE-2023-5676: Eclipse OpenJ9 possible infinite busy hang

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-15 · updated 2026-06-17
Weakness: CWE-364

Description

In Eclipse OpenJ9 before version 0.41.0, the JVM can be forced into an infinite busy hang on a spinlock or a segmentation fault if a shutdown signal (SIGTERM, SIGINT or SIGHUP) is received before the JVM has finished initializing.

Affected products

The Eclipse Foundation Eclipse OpenJ9: before 0.41.0 — fixed in 0.41.0

How to fix

Upgrade to a fixed version: The Eclipse Foundation Eclipse OpenJ9 0.41.0. Check the vendor advisory for mitigations.

References

https://github.com/eclipse-openj9/openj9/pull/18085
https://gitlab.eclipse.org/security/cve-assignement/-/issues/13
https://github.com/eclipse-openj9/openj9/pull/18085
https://gitlab.eclipse.org/security/cve-assignement/-/issues/13
https://security.netapp.com/advisory/ntap-20241108-0002/

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