Klever-Go KVM: Hash-array amplification in P2P resolver request handling

Summary A connected peer can send a compressed RequestDataTypeHashArrayType direct request that is only 442 bytes on the wire but expands into 200000 decoded hash entries inside the resolver path. On klever-go v1.7.17, this allows remote memory and CPU amplification against nodes that accept P2P...

PT-2026-46990

Name of the Vulnerable Software and Affected Versions klever-go version 1.7.17 Description A connected peer can trigger remote memory and CPU amplification on nodes that accept P2P peer connections. This occurs when a compressed RequestDataType HashArrayType direct request is sent; a small payloa...