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

Affected software

No affected versions have been published.

Timeline

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

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CVE-2020-27221: Critical severity, CVSS 9.8 | Vulnix