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.
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-2021-21900
talosintelligence.com/vulnerability_reports/TALOS-2021-1351
www.debian.org/security/2022/dsa-5077