{"id":"UBUNTU-CVE-2020-27221","details":"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.","modified":"2025-10-24T04:48:50Z","published":"2021-01-21T05:15:00Z","upstream":["CVE-2020-27221"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-27221"},{"type":"REPORT","url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=569763"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-27221"}],"affected":[{"package":{"name":"eclipse","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/eclipse@3.8.1-8?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.8.1-8"],"ecosystem_specific":{"binaries":[{"binary_name":"eclipse","binary_version":"3.8.1-8"},{"binary_name":"eclipse-jdt","binary_version":"3.8.1-8"},{"binary_version":"3.8.1-8","binary_name":"eclipse-pde"},{"binary_name":"eclipse-platform","binary_version":"3.8.1-8"},{"binary_name":"eclipse-platform-data","binary_version":"3.8.1-8"},{"binary_name":"eclipse-rcp","binary_version":"3.8.1-8"},{"binary_name":"libequinox-osgi-java","binary_version":"3.8.1-8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27221.json"}},{"package":{"name":"eclipse","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/eclipse@3.8.1-11?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.8.1-10","3.8.1-11"],"ecosystem_specific":{"binaries":[{"binary_version":"3.8.1-11","binary_name":"eclipse"},{"binary_version":"3.8.1-11","binary_name":"eclipse-jdt"},{"binary_name":"eclipse-pde","binary_version":"3.8.1-11"},{"binary_name":"eclipse-platform","binary_version":"3.8.1-11"},{"binary_name":"eclipse-platform-data","binary_version":"3.8.1-11"},{"binary_name":"eclipse-rcp","binary_version":"3.8.1-11"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27221.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}