Bug 2511858 (CVE-2026-67869)

Summary: CVE-2026-67869 open62541: open62541: Denial of Service via buffer overflow in Service_Call
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in open62541. A remote attacker can exploit a buffer overflow vulnerability within the Service_Call function. This vulnerability arises from improper validation of input arguments against runtime-resolved InputArguments metadata, which can lead to a denial of service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2511890    
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Description OSIDB Bzimport 2026-08-05 23:21:29 UTC
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service_Call validates input arguments against runtime-resolved InputArguments metadata