Buffer overflow in Eclipse Openj9
CVE-2020-27221
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.
Vulnerability class: Buffer Overflow
EPSS: 0.015 (72.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Eclipse Openj9
- The Eclipse Foundation Openj9 — versions unspecified
Weakness classification (CWE)
References
- emo@eclipse.org (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-27221?
- CVE-2020-27221 is a critical-severity vulnerability in Eclipse Openj9, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2021-01-21.
- How severe is CVE-2020-27221?
- Critical severity. CVSS v3 base score is 9.8 out of 10.