An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A Type Conversion issue exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart).
cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
www.opendesign.com/security-advisories
www.zerodayinitiative.com/advisories/ZDI-21-218/
www.zerodayinitiative.com/advisories/ZDI-21-223/
www.zerodayinitiative.com/advisories/ZDI-21-224/
www.zerodayinitiative.com/advisories/ZDI-21-244/
www.zerodayinitiative.com/advisories/ZDI-21-245/
www.zerodayinitiative.com/advisories/ZDI-21-246/