{"api_version":"1","generated_at":"2026-07-23T13:26:28+00:00","cve":"CVE-2021-45343","urls":{"html":"https://cve.report/CVE-2021-45343","api":"https://cve.report/api/cve/CVE-2021-45343.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-45343","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-45343"},"summary":{"title":"CVE-2021-45343","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.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2022-01-25 13:15:00","updated_at":"2023-11-07 03:39:00"},"problem_types":["CWE-476"],"metrics":[],"references":[{"url":"https://github.com/LibreCAD/LibreCAD/issues/1468","name":"https://github.com/LibreCAD/LibreCAD/issues/1468","refsource":"MISC","tags":[],"title":"NULL pointer dereference in DXF parser, HATCH code 93 · Issue #1468 · LibreCAD/LibreCAD · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.debian.org/security/2022/dsa-5077","name":"DSA-5077","refsource":"DEBIAN","tags":["Third Party Advisory"],"title":"Debian -- Security Information -- DSA-5077-1 librecad","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/","name":"FEDORA-2022-3dd3274ae2","refsource":"","tags":[],"title":"[SECURITY] Fedora 35 Update: librecad-2.2.0-0.15.rc4.fc35 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/","name":"FEDORA-2022-08d7ee21f7","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 34 Update: libdxfrw-1.0.1-3.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://security.gentoo.org/glsa/202305-26","name":"GLSA-202305-26","refsource":"GENTOO","tags":[],"title":"LibreCAD: Multiple Vulnerabilities (GLSA 202305-26) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/","name":"FEDORA-2022-3dd3274ae2","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 35 Update: librecad-2.2.0-0.15.rc4.fc35 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/","name":"FEDORA-2022-08d7ee21f7","refsource":"","tags":[],"title":"[SECURITY] Fedora 34 Update: libdxfrw-1.0.1-3.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-45343","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45343","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"45343","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"45343","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"11.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"45343","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"34","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"45343","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"35","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"45343","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"librecad","cpe5":"librecad","cpe6":"2.2.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-45343","qid":"179053","title":"Debian Security Update for librecad (DLA 2908-1)"},{"cve":"CVE-2021-45343","qid":"179076","title":"Debian Security Update for librecad (DSA 5077-1)"},{"cve":"CVE-2021-45343","qid":"183104","title":"Debian Security Update for librecad (CVE-2021-45343)"},{"cve":"CVE-2021-45343","qid":"199313","title":"Ubuntu Security Notification for LibreCAD Vulnerabilities (USN-5957-1)"},{"cve":"CVE-2021-45343","qid":"282369","title":"Fedora Security Update for libdxfrw (FEDORA-2022-08d7ee21f7)"},{"cve":"CVE-2021-45343","qid":"283166","title":"Fedora Security Update for libdxfrw (FEDORA-2022-3dd3274ae2)"},{"cve":"CVE-2021-45343","qid":"710732","title":"Gentoo Linux LibreCAD Multiple Vulnerabilities (GLSA 202305-26)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-45343","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/LibreCAD/LibreCAD/issues/1468","refsource":"MISC","name":"https://github.com/LibreCAD/LibreCAD/issues/1468"},{"refsource":"FEDORA","name":"FEDORA-2022-08d7ee21f7","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/"},{"refsource":"DEBIAN","name":"DSA-5077","url":"https://www.debian.org/security/2022/dsa-5077"},{"refsource":"FEDORA","name":"FEDORA-2022-3dd3274ae2","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/"},{"refsource":"GENTOO","name":"GLSA-202305-26","url":"https://security.gentoo.org/glsa/202305-26"}]}},"nvd":{"publishedDate":"2022-01-25 13:15:00","lastModifiedDate":"2023-11-07 03:39:00","problem_types":["CWE-476"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:librecad:librecad:2.2.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"45343","Ordinal":"223467","Title":"CVE-2021-45343","CVE":"CVE-2021-45343","Year":"2021"},"notes":[]}}}