CVE-2020-21830

8.8 highEPSS 1.1%

High (8.8) in gnu libredwg. EPSS 1.1% chance of exploitation in the next 30 days.

A heap based buffer overflow vulneraibility exists in GNU LibreDWG 0.10 via bit_calc_CRC ../../src/bits.c:2213.

Severity

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2021-05-17
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19