This update for librecad fixes the following issues:
CVE-2021-45341: Fixed a buffer overflow vulnerability in LibreCAD that allowed an attacker to achieve remote code execution via a crafted JWW document [boo#1195105]
CVE-2021-45342: Fixed a buffer overflow vulnerability in jwwlib in LibreCAD allows an attacker to achieve remote code execution via a crafted JWW document [boo#1195122]