CVE-2026-67857
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray() in src/client/ua_client_connect.c.
| Vendor | n/a |
| Product | n/a |
| Published | Aug 4, 2026 |
| Last Updated | Aug 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
n/a / n/a
n/a
References
github.com: https://github.com/open62541/open62541/issues/8104 github.com: https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_connect.c github.com: https://github.com/open62541/open62541/blob/v1.5.5/examples/client_connect.c github.com: https://github.com/open62541/open62541/blob/v1.5.5/examples/client_connect_loop.c github.com: https://github.com/gff-cw/information/issues/9