CVE-2026-67869

EUVD-2026-53682
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
Classic Buffer Overflow
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: 37.98%
Debian logo
Debian Releases
Debian Product
Codename
open62541
forky
vulnerable
sid
vulnerable
trixie
vulnerable
Common Weakness Enumeration
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
https://github.com/open62541/open62541/issues/8171