CVE-2020-27221

CRITICAL

Eclipse OpenJ9 <0.23 - Buffer Overflow

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugs.eclipse.org/bugs/show_bug.cgi?id=569763

Scores

CVSS v3 9.8
EPSS 0.0073
EPSS Percentile 72.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-121 CWE-787
Status published
Products (1)
eclipse/openj9 < 0.23.0
Published Jan 21, 2021
Tracked Since Feb 18, 2026