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...

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...

Missing Default Case in Switch Statement

Overview Affected versions of this package are vulnerable to Missing Default Case in Switch Statement in the DataChangeNotification process due to a nil pointer dereference. An attacker can cause a panic and disrupt service availability by triggering this process with crafted input. Remediation...