librecad is vulnerable to remote code execution. An attacker is able to exploit the vulnerability by injecting a specially-crafted .dwg file via dwgCompressor::decompress18() functionality of LibreCad libdxfrw which can lead to an out-of-bounds write.
lists.debian.org/debian-lts-announce/2021/12/msg00002.html
lists.fedoraproject.org/archives/list/[email protected]/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/
lists.fedoraproject.org/archives/list/[email protected]/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/
security-tracker.debian.org/tracker/CVE-2021-21898
talosintelligence.com/vulnerability_reports/TALOS-2021-1349
www.debian.org/security/2022/dsa-5077