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CVE-2026-18784

o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow PUBLISHED

Description (CNA)

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UA_Client_readNodeClassAttribute of the file src/client/ua_client_highlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability.

Affected (CNA)

Vendor / productVersions
o6 / open62541affected 1.5.0; affected 1.5.1; affected 1.5.2; affected 1.5.3; affected 1.5.4; affected 1.5.5

CWE

CWE-122, CWE-119

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.