CVE-2026-67858

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 allow...

CVE-2026-67858

The CVE affects open62541 1.5.5 when the Local Discovery Server (LDS) is built with multicast discovery enabled via the MDNSD backend. A remote unauthenticated attacker can send RegisterServer or RegisterServer2 requests containing many unique discoveryUrls, triggering a denial-of-service. This i...