CVE-2021-39528: GNU Libredwg

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

An issue was discovered in libredwg through v0.10.1.3751. dwg_free_MATERIAL_private() in dwg.spec has a double free.

Affected products

• GNU Libredwg: up to and including 0.10.1.3751

Published 2021-09-20. Last modified 2026-06-17.