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Permalink CVE-2026-67863
7.5 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Complexity (AC): Low (L)
  • Attack Vector (AV): Network (N)
  • Availability (A): High (H)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Privileges Required (PR): None (N)
  • Scope (S): Unchanged (U)
  • User Interaction (UI): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): High (H)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion 1 month ago
In open62541 1.5.5, a server-side use-after-free exists in the local …

In open62541 1.5.5, a server-side use-after-free exists in the local MonitoredItem callback path. The issue occurs when UA_Subscription_localPublish continues to use the current UA_Notification after a callback invokes UA_Server_deleteMonitoredItem for the current local MonitoredItem. This allows a remote attacker to cause a denial of service.

Affected products

n/a
  • ==n/a