OSV-2023-874 Memcpy-param-overlap in bit_u_expand

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62461 Crash type: Memcpy-param-overlap Crash state: bituexpand bitTVtoutf8 dwgdecodeheadervariables...

OSV-2022-1252 Heap-buffer-overflow in bit_read_BB

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54163 Crash type: Heap-buffer-overflow READ 1 Crash state: bitreadBB bitreadBD dwgdecodeheadervariables...