EUVD-2026-64599

A vulnerability has been found in Systerel S2OPC up to 1.7.3. Impacted is the function SOPCNodeMgtHelperInternalAddVariableNodeAttributes of the file src/ClientServer/addressspace/internal/sopcnodemgthelperinternal.c of the component AddNodes Service. The manipulation of the argument...

CVE-2026-78049

A vulnerability has been found in Systerel S2OPC up to 1.7.3. Impacted is the function SOPCNodeMgtHelperInternalAddVariableNodeAttributes of the file src/ClientServer/addressspace/internal/sopcnodemgthelperinternal.c of the component AddNodes Service. The manipulation of the argument...

CVE-2026-78049

Systerel S2OPC versions up to 1.7.3 are affected by an out-of-bounds read in the AddNodes Service component. The vulnerable function is SOPC_NodeMgtHelperInternal_AddVariableNodeAttributes in src/ClientServer/address_space/internal/sopc_node_mgt_helper_internal.c, triggered by manipulation of the...

CVE-2026-78049 Systerel S2OPC AddNodes Service sopc_node_mgt_helper_internal.c out-of-bounds

A vulnerability has been found in Systerel S2OPC up to 1.7.3. Impacted is the function SOPCNodeMgtHelperInternalAddVariableNodeAttributes of the file src/ClientServer/addressspace/internal/sopcnodemgthelperinternal.c of the component AddNodes Service. The manipulation of the argument...

EUVD-2026-53679

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the AddNodes, addressspacebs.c, sopcnodemgthelperinternal.c, and toolkittestserver...

EUVD-2026-53670

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data...

CVE-2026-67872

An issue in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the event monitored-item queue resize handling...

CVE-2026-67871

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the AddNodes, addressspacebs.c, sopcnodemgthelperinternal.c, and toolkittestserver...

CVE-2026-67866

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMacProcessMsgDeleteMonitoredItemsResponse and SOPCStaMacNewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path...

CVE-2026-67867

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data...

CVE-2026-67866

The CVE-2026-67866 entry concerns Systerel S2OPC 1.7.3, where a Buffer Overflow in the client wrapper DeleteMonitoredItems path—specifically via LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems—allows remote A to cause a Denial of Service. The affected ...

CVE-2026-67872

Technical details about CVE-2026-67872 are not publicly available in the provided documents (no affected versions beyond 1.7.3, no root cause, impact specifics, or fix information). Monitor for updates.

CVE-2026-67866

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMacProcessMsgDeleteMonitoredItemsResponse and SOPCStaMacNewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path...

CVE-2026-67872

An issue in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the event monitored-item queue resize handling...

CVE-2026-67867

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data...

CVE-2026-67867

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data...

CVE-2026-67871

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the AddNodes, addressspacebs.c, sopcnodemgthelperinternal.c, and toolkittestserver...

CVE-2026-18790

A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMacProcessMsgDeleteMonitoredItemsResponse of the file src/ClientServer/frontend/clientwrapper/internal/statemachine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes...

EUVD-2026-52808

A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMacProcessMsgDeleteMonitoredItemsResponse of the file src/ClientServer/frontend/clientwrapper/internal/statemachine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes...

CVE-2026-18790 Systerel S2OPC DeleteMonitoredItemsRequest state_machine.c out-of-bounds

A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMacProcessMsgDeleteMonitoredItemsResponse of the file src/ClientServer/frontend/clientwrapper/internal/statemachine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes...