CVE-2026-67860

HighCVSS 7.5/10Last modified Aug 31, 2026

Description

open62541 1.5.5 contains a heap-based buffer overflow in the default HistoryRead path when the default history database is used with the memory backend.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-122

Affected software

No affected versions have been published.

Timeline

Published
Aug 4, 2026
Last modified
Aug 31, 2026
NVD status
Deferred

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