CVE-2020-21833: GNU Libredwg

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

A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via: read_2004_section_classes ../../src/decode.c:2440.

Affected products

• GNU Libredwg: version 0.10 only

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