CVE-2026-90782-s2opc-status-clobber

CVE-2026-90782 — Desreferencia NULL por sobrescritura de estado en S2OPC Prueba de concepto independiente para CVE-2026-90782 en S2OPC Safe & Secure OPC. Vulnerabilidad En allocnotificationmessageitems S2OPC 1.7.3 y anteriores: Se utiliza una única variable status compartida tanto para las...

Exploit for CVE-2026-90782

CVE-2026-90782 — S2OPC Status-Clobbering NULL Dereference Sta...

CVE-2026-90782

S2OPC through 1.7.3 contains a null pointer dereference in msgsubscriptionpublishbsallocnotificationmessageitems where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on sessions wit...

CVE-2026-90782

S2OPC through 1.7.3 contains a null pointer dereference in the function msg_subscription_publish_bs__alloc_notification_message_items(). The root cause is that a failed heap allocation for a DataChangeNotification is overwritten by a subsequent successful allocation for an EventNotificationList ,...

CVE-2026-90782 S2OPC through 1.7.3 NULL Pointer Dereference in alloc_notification_message_items()

S2OPC through 1.7.3 contains a null pointer dereference in msgsubscriptionpublishbsallocnotificationmessageitems where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on sessions wit...

EUVD-2026-77009

S2OPC through 1.7.3 contains a null pointer dereference in msgsubscriptionpublishbsallocnotificationmessageitems where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on sessions wit...

CVE-2026-90782 S2OPC through 1.7.3 NULL Pointer Dereference in alloc_notification_message_items()

S2OPC through 1.7.3 contains a null pointer dereference in msgsubscriptionpublishbsallocnotificationmessageitems where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on sessions wit...

CVE-2026-90782 S2OPC through 1.7.3 NULL Pointer Dereference in alloc_notification_message_items()

S2OPC through 1.7.3 contains a null pointer dereference in msgsubscriptionpublishbsallocnotificationmessageitems where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on sessions wit...

CVE-2026-90782: NULL Pointer Dereference

S2OPC through 1.7.3 contains a null pointer dereference in msgsubscriptionpublishbsallocnotificationmessageitems where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on sessions wit...

PT-2026-90857

S2OPC through 1.7.3 contains a null pointer dereference in msg subscription publish bs alloc notification message items where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on...

CVE-2026-82619

A vulnerability was identified in Systerel S2OPC up to 1.7.3. The impacted element is the function monitoreditemeventfiltertreatmentbsiniteventfilterctxandresult of the file src/ClientServer/services/bgenc/subscriptionmgr.c. Such manipulation of the argument EventFilter leads to use after free. T...

CVE-2026-82618

A vulnerability was determined in Systerel S2OPC up to 1.7.3. The affected element is the function setrangematrixonstringarray of the file src/Common/opcuatypes/sopcbuiltintypes.c of the component String Array Range Writing. This manipulation causes out-of-bounds read. The attack is possible to b...

CVE-2026-82619 Systerel S2OPC subscription_mgr.c use after free

A vulnerability was identified in Systerel S2OPC up to 1.7.3. The impacted element is the function monitoreditemeventfiltertreatmentbsiniteventfilterctxandresult of the file src/ClientServer/services/bgenc/subscriptionmgr.c. Such manipulation of the argument EventFilter leads to use after free. T...

EUVD-2026-68359

A vulnerability was identified in Systerel S2OPC up to 1.7.3. The impacted element is the function monitoreditemeventfiltertreatmentbsiniteventfilterctxandresult of the file src/ClientServer/services/bgenc/subscriptionmgr.c. Such manipulation of the argument EventFilter leads to use after free. T...

CVE-2026-82619 Systerel S2OPC subscription_mgr.c use after free

A vulnerability was identified in Systerel S2OPC up to 1.7.3. The impacted element is the function monitoreditemeventfiltertreatmentbsiniteventfilterctxandresult of the file src/ClientServer/services/bgenc/subscriptionmgr.c. Such manipulation of the argument EventFilter leads to use after free. T...

CVE-2026-82619

Systerel S2OPC versions up to 1.7.3 are affected by a use-after-free vulnerability in the function monitored_item_event_filter_treatment_bs__init_event_filter_ctx_and_result located in src/ClientServer/services/bgenc/subscription_mgr.c. A remote attacker with low privileges can manipulate the Eve...

CVE-2026-82619 Systerel S2OPC subscription_mgr.c use after free

A vulnerability was identified in Systerel S2OPC up to 1.7.3. The impacted element is the function monitoreditemeventfiltertreatmentbsiniteventfilterctxandresult of the file src/ClientServer/services/bgenc/subscriptionmgr.c. Such manipulation of the argument EventFilter leads to use after free. T...

CVE-2026-82618

Systerel S2OPC versions up to 1.7.3 are affected by an out-of-bounds read in the function set_range_matrix_on_string_array within the file src/Common/opcua_types/sopc_builtintypes.c, part of the String Array Range Writing component. The vulnerability can be triggered remotely and carries a CVSS 3...

CVE-2026-82618 Systerel S2OPC String Array Range Writing sopc_builtintypes.c set_range_matrix_on_string_array out-of-bounds

A vulnerability was determined in Systerel S2OPC up to 1.7.3. The affected element is the function setrangematrixonstringarray of the file src/Common/opcuatypes/sopcbuiltintypes.c of the component String Array Range Writing. This manipulation causes out-of-bounds read. The attack is possible to b...

EUVD-2026-68354

A vulnerability was determined in Systerel S2OPC up to 1.7.3. The affected element is the function setrangematrixonstringarray of the file src/Common/opcuatypes/sopcbuiltintypes.c of the component String Array Range Writing. This manipulation causes out-of-bounds read. The attack is possible to b...