Vulnerability Database

319,703

Total vulnerabilities in the database

CVE-2021-21899

A code execution vulnerability exists in the dwgCompressor::copyCompBytes21 functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

  • Published: Nov 19, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-21899
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
librecad / libdxfrw 2.2.0-rc2-19-ge02f3580 2.2.0-rc2-19-ge02f3580.x
fedoraproject / fedora 34 34.x
fedoraproject / fedora 35 35.x
debian / debian_linux 9.0 9.0.x
debian / debian_linux 10.0 10.0.x
debian / debian_linux 11.0 11.0.x