In Synergy before version 1.12.0, a Synergy server can be crashed by receiving a kMsgHelloBack packet with a client name length set to 0xffffffff (4294967295) if the servers memory is less than 4 GB.
CVSS 3.1MEDIUM 6.5·Network·Low privileges·No interaction·EPSS 0.02494·Published 2020-07-15·Fixed in 1.12.0CWE-755