CVE-2020-5235 Out-of-memory condition in Nanopb is potentially exploitable

There is a potentially exploitable out of memory condition In Nanopb before 0.4.1, 0.3.9.5, and 0.2.9.4. When nanopb is compiled with PBENABLEMALLOC, the message to be decoded contains a repeated string, bytes or message field and realloc runs out of memory when expanding the array nanopb can end...