high7.5
CVE-2026-67855
open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled.
Impact
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.
Affected packages
This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/open62541/open62541
- https://github.com/open62541/open62541/blob/master/arch/posix/eventloop_posix.c
- https://github.com/open62541/open62541/blob/master/examples/encryption/server_encryption.c
- https://github.com/open62541/open62541/blob/master/src/server/ua_server_internal.h
- https://github.com/open62541/open62541/blob/master/src/server/ua_server_ns0_gds.c
- https://github.com/open62541/open62541/issues/8093
- https://github.com/open62541/open62541/issues/8093