CVE-2026-67869

Description

Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service_Call validates input arguments against runtime-resolved InputArguments metadata

References

• https://github.com/open62541/open62541/blob/v1.5.5/examples/tutorial_server_alarms_conditions.c
• https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_method.c
• https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_subscription_alarms_conditions.c
• https://github.com/open62541/open62541/issues/8171