CVE-2026-67855

open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UAENABLEGDSPUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service...

DEBIAN-CVE-2026-67855

open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UAENABLEGDSPUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service...

DEBIAN-CVE-2026-67857

open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray in src/client/uaclientconnect.c...

CVE-2026-67856

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItemsSampling, Publish, TransferSubscriptions, and DeleteSubscriptions requests...

CVE-2026-67857

open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray in src/client/uaclientconnect.c...

UBUNTU-CVE-2026-67855

open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UAENABLEGDSPUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service...

UBUNTU-CVE-2026-67860

open62541 1.5.5 contains a heap-based buffer overflow in the default HistoryRead path when the default history database is used with the memory backend...

UBUNTU-CVE-2026-67862

open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/uaclienthighlevel.c. This allows a remote attacker to cause a denial of service...

CVE-2026-67857

open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray in src/client/uaclientconnect.c...

UBUNTU-CVE-2026-67856

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItemsSampling, Publish, TransferSubscriptions, and DeleteSubscriptions requests...

CVE-2026-67856

A flaw was found in open62541. A remote attacker could exploit this vulnerability by sending specially crafted subscription-related requests, such as CreateSubscription or Publish. This could lead to a denial of service DoS, making the affected system unavailable to legitimate users...

CVE-2026-67858

A flaw was found in open62541. When the Local Discovery Server LDS is configured with multicast discovery via the MDNSD backend, an unauthenticated remote attacker can exploit a buffer overflow vulnerability. By sending numerous unique discovery URLs in RegisterServer or RegisterServer2 requests,...

CVE-2026-67855

A flaw was found in open62541. This heap use-after-free vulnerability, occurring in the GDS PushManagement certificate update workflow when UAENABLEGDSPUSHMANAGEMENT is enabled, allows a remote attacker to cause a denial of service DoS. This could lead to the affected system becoming unavailable...

CVE-2026-67857

A flaw was found in open62541. A remote attacker could exploit an out-of-bounds read vulnerability in the client-side function responseReadNamespacesArray by sending a specially crafted network packet. This could lead to a denial of service, causing the application to crash and become unavailable...

CVE-2026-18785

A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UAClientgetRemoteDataTypes of the file examples/customdatatype/clienttypescustom.c. Executing a manipulation can lead to use after free. It is possible to launch the attack on the loc...

CVE-2026-18784

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

CVE-2026-18785 o6 open62541 client_types_custom.c UA_Client_getRemoteDataTypes use after free

A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UAClientgetRemoteDataTypes of the file examples/customdatatype/clienttypescustom.c. Executing a manipulation can lead to use after free. It is possible to launch the attack on the loc...

EUVD-2026-52792

A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UAClientgetRemoteDataTypes of the file examples/customdatatype/clienttypescustom.c. Executing a manipulation can lead to use after free. It is possible to launch the attack on the loc...

CVE-2026-18785

A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UAClientgetRemoteDataTypes of the file examples/customdatatype/clienttypescustom.c. Executing a manipulation can lead to use after free. It is possible to launch the attack on the loc...

CVE-2026-18785

The CVE-2026-18785 issue affects the open62541 project, specifically the UA_Client_getRemoteDataTypes function in examples/custom_datatype/client_types_custom.c. A manipulation can lead to a use-after-free condition, with exploitation possible on the local host. Public disclosure of the exploit i...