CVE-2026-67856
Description
A flaw was found in open62541. A remote attacker could exploit this vulnerability by sending specially crafted subscription-related requests, such as CreateSubscription or Publish. This could lead to a denial of service (DoS), making the affected system unavailable to legitimate users.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Other,Integrity,Availability
Technical Impact: Varies by Context; DoS: Resource Consumption (CPU); Modify Memory; Read Memory
When the quantity is not properly validated, then attackers can specify malicious quantities to cause excessive resource allocation, trigger unexpected failures, enable buffer overflows, etc.
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