system
Identify the affected product in <CVE-2020-5234>.
user
Which product is affected by <CVE-2020-5234>?
assistant
The affected product is MessagePack and version: < 1.9.11, >= 2.0.0, < 2.1.90, < 1.9.11, >= 2.0.0, < 2.1.90, < 1.9.11, >= 2.0.0, < 2.1.90, < 1.9.11, >= 2.0.0, < 2.1.90.