Bug 2511248 (CVE-2026-67855)

Summary: CVE-2026-67855 open62541: open62541: Denial of Service via heap use-after-free
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. This heap use-after-free vulnerability, occurring in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled, allows a remote attacker to cause a denial of service (DoS). This could lead to the affected system becoming unavailable.
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Bug Depends On: 2511512    
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Description OSIDB Bzimport 2026-08-04 22:01:28 UTC
open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service.