{"id":"CVE-2023-32787","details":"The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications.","modified":"2026-04-02T09:02:16.372085Z","published":"2023-05-15T15:15:12.823Z","references":[{"type":"FIX","url":"https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-32787.pdf"},{"type":"FIX","url":"https://github.com/OPCFoundation/UA-Java-Legacy/commit/6f176f2b445a27c157f1a32f225accc9ce8873c0"},{"type":"PACKAGE","url":"https://github.com/OPCFoundation/UA-Java-Legacy"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/opcfoundation/ua-java-legacy","events":[{"introduced":"0"},{"fixed":"6f176f2b445a27c157f1a32f225accc9ce8873c0"}]},{"type":"GIT","repo":"https://github.com/opcfoundation/ua-java-legacy","events":[{"introduced":"0"},{"fixed":"6f176f2b445a27c157f1a32f225accc9ce8873c0"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-32787.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"2023-04-28"}]},{"events":[{"introduced":"0"},{"fixed":"1.2.0"}]},{"events":[{"introduced":"0"},{"fixed":"1.4.20"}]},{"events":[{"introduced":"0"},{"fixed":"5.4.2"}]},{"events":[{"introduced":"0"},{"fixed":"6f176f2"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}