CVE-2026-67855

EUVD-2026-52969
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
References
https://github.com/open62541/open62541
https://github.com/open62541/open62541/blob/master/arch/posix/eventloop_posix.c
https://github.com/open62541/open62541/blob/master/examples/encryption/server_encryption.c
https://github.com/open62541/open62541/blob/master/src/server/ua_server_internal.h
https://github.com/open62541/open62541/blob/master/src/server/ua_server_ns0_gds.c
https://github.com/open62541/open62541/issues/8093