CVE-2021-42586: GNU Libredwg

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

A heap buffer overflow was discovered in copy_bytes in decode_r2007.c in dwgread before 0.12.4 via a crafted dwg file.

Affected products

• GNU Libredwg: before 0.12.4 (fixed in 0.12.4)

Published 2022-05-23. Last modified 2026-06-17.