CVE-2021-21899
8.8
HIGH
CVSS 3.1
EPSS 2.8%
Description
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.
How to fix CVE-2021-21899
To remediate CVE-2021-21899, upgrade the affected package to a fixed version below.
- Debian/librecad—upgrade to 2.1.3-1.3+deb11u1 or later
Is CVE-2021-21899 being exploited?
Low — EPSS is 2.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.1.3-1.3+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |