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{"bugzilla": {"description": "open62541: open62541: Denial of Service via out-of-bounds read in client-side function", "id": "2511251", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511251"}, "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-125", "details": ["A flaw was found in open62541. A remote attacker could exploit an out-of-bounds read vulnerability in the client-side function responseReadNamespacesArray() by sending a specially crafted network packet. This could lead to a denial of service, causing the application to crash and become unavailable."], "name": "CVE-2026-67857", "public_date": "2026-08-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-67857\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-67857\nhttps://github.com/gff-cw/information/issues/9\nhttps://github.com/open62541/open62541/blob/v1.5.5/examples/client_connect.c\nhttps://github.com/open62541/open62541/blob/v1.5.5/examples/client_connect_loop.c\nhttps://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_connect.c\nhttps://github.com/open62541/open62541/issues/8104"], "threat_severity": "Important"}

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