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 msg_subscription_publish_bs__alloc_notification_message_items() where a failed allocation for DataChangeNotification i…
Published: 2026-09-13 · CVSS: 6.0 · CVSS 4.0
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 sessions with both data-change and event notifications to cause the server process to terminate.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7