LibreDWG libredwg

• CVE-2026-54610 Low 3.3 LibreDWG: const-input mutation and crash in bit_TV_to_utf8 error handling 0.1%
• CVE-2026-62250 Medium 5.5 LibreDWG: unbounded allocation in pre-R13 DWG entity decoding 0.2%
• CVE-2026-62254 Medium 5.5 LibreDWG: excessive class-decoding reallocation in R13-R2000 DWG parsing 0.2%