VULNERABILITY INTELLIGENCE

CVE-2020-27221

CVSS score9.8 CRITICAL

EPSS probability1.55%

CISA KEVNot currently listed

Published2021-01-21

Last modified2026-06-17

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.