A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability. An attacker can provide a malicious file to trigger this vulnerability.
https://www.debian.org/security/2022/dsa-5077
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1351
https://security.gentoo.org/glsa/202305-26
https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html