CVE-2026-67857

Description

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

Affected Platforms

Weakness Type

CWE-125

References

• https://github.com/gff-cw/information/issues/9
• 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.…
• https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_connect.…
• https://github.com/open62541/open62541/issues/8104
• https://github.com/open62541/open62541/issues/8104