[ACTION REQUIRED] Protobuf Java users, please update to our latest release

[Sandy Zhang]

Hello everyone,

If you are using protobuf-java, protobuf-javalite, protobuf-kotlin, protobuf-kotlin-lite, or our Jruby gem (google-protobuf), please update to our latest releases, published Sept 29:

• 3.21.7
• 3.20.3
• 3.19.6
• 3.16.3

More information about this advisory can be found here:

https://github.com/protocolbuffers/protobuf/security/advisories/GHSA-h4h5-3hr4-j3g2

- Sandy on behalf of the Protobuf Team

[Sandy Zhang]

Note: The fix affects both the Java runtime (full and lite) and the generated code. So if you have generated code checked in somewhere, you'll need to regenerate it with the fix.