{"id":"CVE-2021-21900","details":"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.","modified":"2026-04-16T00:08:41.879132235Z","published":"2021-11-19T19:15:08.137Z","related":["openSUSE-SU-2022:0067-1","openSUSE-SU-2024:11697-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202305-26"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5077"},{"type":"EVIDENCE","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1351"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-21900.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2.2.0-rc2-19-ge02f3580"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]},{"events":[{"introduced":"0"},{"last_affected":"35"}]}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}