Zserio Runtime: Integer Overflow in BitStreamReader and Unbounded Memory Allocation in Deserialization

Summary Unbounded Memory Allocation all platforms A crafted payload as small as 4-5 bytes can force memory allocations of up to 16 GB, crashing any process with an OOM error Denial of Service. Affected code C++: - cpp/runtime/src/zserio/Array.h line 1029 — mrawArray.reservereadLength with uncheck...