CVSS 5.3 · Medium EPSS 0,57%
Kerentanan NULL Pointer Dereference. Skor CVSS 3.1 5.3 (Medium) menurut vulncheck.com.
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
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