Stack-based buffer overflow in the process_packet function in fbserver.exe in Firebird SQL 2.0.2 allows remote attackers to execute arbitrary code via a long request to TCP port 3050.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.