CVE-2021-28237: GNU Libredwg

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.

Affected products

• GNU Libredwg: version 0.12.3 only

Published 2021-12-02. Last modified 2026-06-17.