CVE-2026-126366: msgpack msgpack-ruby: MessagePack for Ruby is an implementation of the MessagePack binary serialization format

MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.7, the Java-platform msgpack gem for JRuby allocated arrays and byte buffers directly from attacker-controlled array32, str32, and bin32 declared sizes before confirming that corresponding...