{"id":"CVE-2020-21835","aliases":["EUVD-2020-14601","GHSA-2rmc-f234-xhg3"],"status":"published","title":"A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../.....","description":"A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2337.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00863,"percentile":0.589,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-05-17T20:28:36Z","modified":"2026-10-20T10:52:11Z","products":[{"vendor":"gnu","product":"libredwg"}],"references":[{"url":"https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493046","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21835"},{"url":"http://gnu.com"},{"url":"https://github.com/advisories/GHSA-2rmc-f234-xhg3"}],"sources":{"cve":[{"id":"CVE-2020-21835","description":"A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2337.","status":"published","published":"2021-05-17T20:28:36Z","modified":"2026-07-09T00:10:21.459Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14601","description":"A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2337.","status":"published","published":"2021-05-17T20:28:36Z","modified":"2026-07-09T00:10:21Z","updated_at":"2026-11-02T18:20:09.583461Z"}],"ghsa":[{"id":"GHSA-2rmc-f234-xhg3","title":"A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../.....","description":"A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2337.","status":"published","published":"2022-05-24T19:02:33Z","modified":"2026-07-05T00:31:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:09:14.376377Z"}],"nvd":[{"id":"CVE-2020-21835","description":"A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2337.","status":"published","published":"2021-05-17T21:15:07.433Z","modified":"2026-07-09T00:16:56.147Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:39.25999Z"}],"osv":[{"id":"CVE-2020-21835","description":"A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2337.","status":"published","published":"2021-05-17T21:15:07.433Z","modified":"2026-10-20T10:52:11.882339407Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:15.534837Z"}]}}