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{"bugzilla": {"description": "open62541: open62541: Denial of Service via Discovery/LDS handling", "id": "2511276", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511276"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-120", "details": ["A flaw was found in open62541. A remote attacker can exploit a buffer overflow vulnerability in the Discovery/LDS (Local Discovery Server) handling. This can lead to a denial of service, making the affected system unavailable."], "name": "CVE-2026-67859", "public_date": "2026-08-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-67859\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-67859\nhttps://github.com/open62541/open62541/blob/master/examples/discovery/server_lds.c\nhttps://github.com/open62541/open62541/blob/master/src/server/ua_discovery_mdns.c\nhttps://github.com/open62541/open62541/blob/master/src/server/ua_services_discovery.c\nhttps://github.com/open62541/open62541/blob/master/src/util/ua_util.c\nhttps://github.com/open62541/open62541/issues/8095"], "threat_severity": "Important"}