{"id":"CVE-2022-29864","aliases":["GHSA-vhfw-v69p-crcw"],"url":"https://o3.security/vulnerability/CVE-2022-29864","summary":"Uncontrolled Resource Consumption in OPCFoundation.NetStandard.Opc.Ua.Core","details":"A vulnerability was discovered in the OPC UA .NET Standard Stack that allows a malicious client to cause a server to trigger an out of memory exception by sending a large number of message chunks.","published":"2022-06-16T17:05:56Z","modified":"2026-08-12T03:51:26.347268193Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"OPCFoundation.NetStandard.Opc.Ua.Core","fixedVersion":"1.4.368.58"}],"fix":null,"references":[{"type":"WEB","url":"https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29864.pdf"},{"type":"WEB","url":"https://opcfoundation.org/security/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29864.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-29864"},{"type":"WEB","url":"https://github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-vhfw-v69p-crcw"},{"type":"PACKAGE","url":"https://github.com/OPCFoundation/UA-.NETStandard"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:26.347268193Z"}}