CVE-2026-67857
- State
- Published
- Severity
- 7.5 High
- Published
- Aug 4, 2026
- Updated
- Aug 5, 2026
- Reserved
- Jul 30, 2026
Description
open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray() in src/client/ua_client_connect.c.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N | mitre |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/open62541/open62541/issues/8104
- https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_connect.c
- https://github.com/open62541/open62541/blob/v1.5.5/examples/client_connect.c
- https://github.com/open62541/open62541/blob/v1.5.5/examples/client_connect_loop.c
- https://github.com/gff-cw/information/issues/9
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