CVE-2020-27221

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

In Eclipse OpenJ9 up to and including version 0.23, there is potential for a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121 CWE-787

Affected software

Vendor	Product	Versions
The Eclipse Foundation	Eclipse OpenJ9	>= unspecified, <= 0.23

References

https://bugs.eclipse.org/bugs/show_bug.cgi?id=569763Issue Tracking, Vendor Advisory
https://bugs.eclipse.org/bugs/show_bug.cgi?id=569763Issue Tracking, Vendor Advisory

Timeline

Published: Jan 21, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

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