CVE-2026-90782EPSS p45.3%
CVE-2026-90782CVE-2026-90782
Description
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.
Scoring
| CVSS | 5.3 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 0.57% probability of exploitation · percentile 45.3% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-23 |