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CRITICAL · 9.8

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 encodi...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
EclipseOpenj9<= 0.23.0

Related Weaknesses (CWE)

CWE-121CWE-787

References

FAQ

What is CVE-2020-27221?

CVE-2020-27221 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 encodi...

How severe is CVE-2020-27221?

CVE-2020-27221 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-27221?

Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Openj9.