{"id":"CVE-2020-21815","title":"A null pointer deference issue exists in GNU LibreDWG 0.10.2641 via output_TEXT ../../programs/dwg2SVG.c:114, which causes a denial of service (application crash).","summary":"A null pointer deference issue exists in GNU LibreDWG 0.10.2641 via output_TEXT ../../programs/dwg2SVG.c:114, which causes a denial of service (application crash).","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"gnu","product":"libredwg","affected":["libredwg = 0.10.2641"],"published":"2021-05-17","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-21815","references":[{"url":"https://github.com/LibreDWG/libredwg/issues/182#issuecomment-572890932","label":"cve@mitre.org"},{"url":"http://gnu.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/LibreDWG/libredwg/issues/182#issuecomment-572890932","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00911,"epssPercentile":0.58525,"ingestedAt":"2026-07-05T00:59:25.873Z","slug":"CVE-2020-21815","body":"## Overview\n\nA null pointer deference issue exists in GNU LibreDWG 0.10.2641 via output_TEXT ../../programs/dwg2SVG.c:114, which causes a denial of service (application crash).\n\n## Affected\n\n- `libredwg = 0.10.2641`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}