{"id":"CVE-2020-21827","aliases":["EUVD-2020-14593","GHSA-g7vh-9mhm-fxwj"],"status":"published","title":"A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via...","description":"A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2379.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00894,"percentile":0.59923,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-05-17T19:46:16Z","modified":"2026-10-20T10:52:12Z","products":[{"vendor":"gnu","product":"libredwg"}],"references":[{"url":"https://github.com/LibreDWG/libredwg/issues/183","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://cwe.mitre.org/data/definitions/122.html","tags":["x_refsource_MISC","x_transferred","Technical Description","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21827"},{"url":"http://gnu.com"},{"url":"https://github.com/advisories/GHSA-g7vh-9mhm-fxwj"}],"sources":{"cve":[{"id":"CVE-2020-21827","description":"A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2379.","status":"published","published":"2021-05-17T19:46:16Z","modified":"2026-07-09T00:10:14.101Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14593","description":"A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2379.","status":"published","published":"2021-05-17T19:46:16Z","modified":"2026-07-09T00:10:14Z","updated_at":"2026-11-02T18:20:09.583461Z"}],"ghsa":[{"id":"GHSA-g7vh-9mhm-fxwj","title":"A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via...","description":"A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2379.","status":"published","published":"2022-05-24T19:02:34Z","modified":"2023-01-27T05:03:02Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:42:09.625504Z"}],"nvd":[{"id":"CVE-2020-21827","description":"A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2379.","status":"published","published":"2021-05-17T20:15:07.413Z","modified":"2026-07-09T00:16:55.447Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:39.25999Z"}],"osv":[{"id":"CVE-2020-21827","description":"A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2379.","status":"published","published":"2021-05-17T20:15:07.413Z","modified":"2026-10-20T10:52:12.095977278Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.534837Z"}]}}