{"id":"CVE-2020-21839","title":"An issue was discovered in GNU LibreDWG 0.10","summary":"An issue was discovered in GNU LibreDWG 0.10. Crafted input will lead to an memory leak in dwg_decode_eed ../../src/decode.c:3638.","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-401"],"vendor":"gnu","product":"libredwg","affected":["libredwg = 0.10"],"published":"2021-05-17","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-21839","references":[{"url":"https://cwe.mitre.org/data/definitions/401.html","label":"cve@mitre.org"},{"url":"https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574492707","label":"cve@mitre.org"},{"url":"http://gnu.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cwe.mitre.org/data/definitions/401.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574492707","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00921,"epssPercentile":0.58822,"ingestedAt":"2026-07-05T00:59:26.409Z","slug":"CVE-2020-21839","body":"## Overview\n\nAn issue was discovered in GNU LibreDWG 0.10. Crafted input will lead to an memory leak in dwg_decode_eed ../../src/decode.c:3638.\n\n## Affected\n\n- `libredwg = 0.10`\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":[]}