CVE-2026-67860CWE-122

CVE-2026-67860

High · published August 5, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
38.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00458 · 38.7th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-08-05T02:17Z
References (2)
https://github.com/open62541/open62541/issues/8091 · [email protected]https://github.com/open62541/open62541/issues/8091 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 AUG 00:00Z
    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
    cvelistv5