CVE-2026-67859 | BDVDB-2026-355194 Detail
Description#
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
References#
- https://github.com/open62541/open62541/blob/master/src/server/ua_services_discovery.c
- https://github.com/open62541/open62541/blob/master/src/server/ua_discovery_mdns.c
- https://github.com/open62541/open62541/issues/8095
- https://github.com/open62541/open62541/blob/master/examples/discovery/server_lds.c
- https://github.com/open62541/open62541/blob/master/src/util/ua_util.c
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.