HIGH
CVE-2026-67859
CVSS
7.5
Description
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling.
Weakness (CWE)
CWE-120
Classic Buffer Overflow
EPSS Score
0.46%
Probability of exploitation in next 30 days
39.2th percentile
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
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.