CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2026-67857
High (7.5). EPSS 0.6% chance of exploitation in the next 30 days.
open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray() in src/client/ua_client_connect.c.
Severity
- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
- CWE
- CWE-125
- Published
- Modified
- Record from
- the NVD, synced
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.c
- https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_connect.c
- https://github.com/open62541/open62541/issues/8104