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CVE-2026-82623

Description

A flaw was found in open62541. A remote attacker could exploit a use-after-free vulnerability in the UA_DataValue_backend_copyRange function within the History Backend component. This flaw could lead to a denial of service, making the affected system unavailable.

Statement

The open62541 library is not shipped in any Red Hat product. It is available in the Fedora community distribution, which already ships version 1.5.6, beyond the affected range (up to 1.5.5).

Mitigation

Update open62541 to version 1.5.6 or later.

Frequently Asked Questions

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