CVE-2026-67862
Description
A flaw was found in open62541. A buffer-overflow vulnerability exists in the high-level attribute reading logic. This flaw allows a remote attacker to trigger a denial of service, making the affected system unavailable.
Statement
Red Hat Product Security has evaluated this vulnerability as having an Important severity because an unauthenticated remote entity can cause an application crash without requiring special privileges or user interaction. The flaw is triggered within the OPC UA client library while processing attributes received from a server. Furthermore, open62541 is not distributed in supported Red Hat Enterprise Linux releases, significantly limiting operational risk across enterprise deployments.
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
