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.
History

Wed, 05 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
Title Heap-Based Buffer Overflow in Default History Read Path of open62541 1.5.5

Wed, 05 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 05 Aug 2026 00:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122

Tue, 04 Aug 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Open62541
Open62541 open62541
Vendors & Products Open62541
Open62541 open62541

Tue, 04 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-05T18:34:12.759Z

Reserved: 2026-07-30T00:00:00.000Z

Link: CVE-2026-67860

cve-icon Vulnrichment

Updated: 2026-08-05T18:34:08.408Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-05T21:30:16Z