CVE-2021-33806: Bdew Bdlib

Critical severity, CVSS 9.8. EPSS: 3% chance of exploitation in the next 30 days.

The BDew BdLib library before 1.16.1.7 for Minecraft allows remote code execution because it deserializes untrusted data in ObjectInputStream.readObject as part of its use of Java serialization.

Affected products

• Bdew Bdlib: before 1.16.1.7 (fixed in 1.16.1.7)

Published 2021-06-03. Last modified 2026-06-17.