Ubuntu 16.04 ESM USN-5769-1 Critical Protobuf Denial Of Service

The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM:   libprotobuf-lite9v5             2.6.1-1.3ubuntu0.1~esm2   libprotobuf9v5                  2.6.1-1.3ubuntu0.1~esm2   libprotoc9v5                    2.6.1-1.3ubuntu0.1~esm2   protobuf-compiler               2.6.1-1.3ubuntu0.1~esm2   python-protobuf                 2.6.1-1.3ubuntu0.1~esm2 In general, a standard system update will make all the necessary changes.