CVE-2020-21817: GNU Libredwg

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

A null pointer dereference issue exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:29. which causes a denial of service (application crash).

Affected products

• GNU Libredwg: version 0.10.2641 only

Published 2021-05-17. Last modified 2026-07-09.