CVE-2026-67855 | BDVDB-2026-355190 Detail
Description#
open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-400 Uncontrolled Resource Consumption
References#
- https://github.com/open62541/open62541
- https://github.com/open62541/open62541/issues/8093
- https://github.com/open62541/open62541/blob/master/src/server/ua_server_ns0_gds.c
- https://github.com/open62541/open62541/blob/master/arch/posix/eventloop_posix.c
- https://github.com/open62541/open62541/blob/master/src/server/ua_server_internal.h
- https://github.com/open62541/open62541/blob/master/examples/encryption/server_encryption.c
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.