CVE-2020-21818: GNU Libredwg

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:48.

Affected products

• GNU Libredwg: version 0.10.2641 only

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