CVE-2026-67859

Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
References
https://github.com/open62541/open62541/blob/master/examples/discovery/server_lds.c
https://github.com/open62541/open62541/blob/master/src/server/ua_discovery_mdns.c
https://github.com/open62541/open62541/blob/master/src/server/ua_services_discovery.c
https://github.com/open62541/open62541/blob/master/src/util/ua_util.c
https://github.com/open62541/open62541/issues/8095