{"cve":"CVE-2021-45343","nvd":{"published":"2022-01-25T13:15:07.873","modified":"2026-06-17T04:13:17.937","status":"Modified","description":"In LibreCAD 2.2.0, a NULL pointer dereference in the HATCH handling of libdxfrw allows an attacker to crash the application using a crafted DXF document.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://github.com/LibreCAD/LibreCAD/issues/1468","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/","https://security.gentoo.org/glsa/202305-26","https://www.debian.org/security/2022/dsa-5077"],"products":["debian:debian_linux","fedoraproject:fedora","librecad:librecad"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2021-45343","score":0.00896,"percentile":0.5956,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}