CVE-2026-67857CWE-125

CVE-2026-67857

High · published August 5, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
49.5
In the wild
Unconfirmed
What it is

open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray() in src/client/ua_client_connect.c.

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
0.00630 · 49.5th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-08-05T02:17Z
References (6)
https://github.com/gff-cw/information/issues/9 · [email protected]https://github.com/open62541/open62541/blob/v1.5.5/examples/client_connect.c · [email protected]https://github.com/open62541/open62541/blob/v1.5.5/examples/client_connect_loop.c · [email protected]https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_connect.c · [email protected]https://github.com/open62541/open62541/issues/8104 · [email protected]https://github.com/open62541/open62541/issues/8104 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 AUG 00:00Z
    open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray() in src/client/ua_client_connect.c
    cvelistv5