{"id":"CVE-2022-29863","aliases":["GHSA-r7pq-3x6p-7jcm"],"url":"https://o3.security/vulnerability/CVE-2022-29863","summary":"Memory Allocation with Excessive Size Value in OPCFoundation.NetStandard.Opc.Ua.Core","details":"OPC UA .NET Standard Stack 1.04.368 allows remote attacker to cause a crash via a crafted message that triggers excessive memory allocation.","published":"2022-06-16T17:09:49Z","modified":"2026-07-15T01:49:04.223642901Z","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-2022-29863.pdf"},{"type":"WEB","url":"https://opcfoundation.org/security/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29863.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-29863"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:04.223642901Z"}}