OSV-2023-1122 Stack-buffer-overflow in dxf_header_read

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63919 Crash type: Stack-buffer-overflow READ Crash state: dxfheaderread dwgreaddxf llvmfuzz.c...

OSV-2023-271 Heap-buffer-overflow in bit_utf8_to_TU

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57589 Crash type: Heap-buffer-overflow READ 1 Crash state: bitutf8toTU dxfheaderread dwgreaddxf...