CVE-2020-27221

CWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds WriteCWE-119 — Buffer Overflow5 documents5 sources
Severity
9.8CRITICAL
EPSS
0.7%
top 27.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
THE Eclipse Foundation Eclipse Openj9Eclipse Openj9
Timeline
PublishedJan 21
Latest updateMay 24

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDeclipse/openj90.23.0
▶CVEListV5the_eclipse_foundation/eclipse_openj9unspecified — 0.23

🔴Vulnerability Details

3
GHSA
GHSA-768g-gf3v-34vm: In Eclipse OpenJ9 up to version 0↗2022-05-24
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CVEList
CVE-2020-27221: In Eclipse OpenJ9 up to and including version 0↗2021-01-21
▶
OSV
CVE-2020-27221: In Eclipse OpenJ9 up to and including version 0↗2021-01-21
▶

📋Vendor Advisories

1
Red Hat
JDK: Stack-based buffer overflow when converting from UTF-8 characters to platform encoding↗2021-02-12
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CVE-2020-27221 (CRITICAL CVSS 9.8) | In Eclipse OpenJ9 up to and includi | cvebase.io