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Permalink CVE-2026-67858
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
Buffer Overflow vulnerability exists in open62541 1.5.5 when the Local …

Buffer Overflow vulnerability exists in open62541 1.5.5 when the Local Discovery Server (LDS) is built with multicast discovery enabled through the MDNSD backend. An unauthenticated remote attacker can send a RegisterServer or RegisterServer2 request containing many unique discoveryUrls. This allows remote attackers to cause a denial of service.

Affected products

n/a
  • ==n/a