CVE-2026-62250 LibreDWG: unbounded allocation in pre-R13 DWG entity decoding

LibreDWG is a free C library to read and write DWG files. Prior to 0.14.8413, a crafted pre-R13 DWG can make decodepreR13entities in src/decode.c enter a nonterminating loop that allocates a new object each iteration. decodepreR13 in src/decoder11.c computes size from the raw file-controlled...