CVE-2021-21898

moderate-risk

Published 2021-11-19

A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.

Do I need to act?

0.21% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (6)

Libdxfrw

Debian Linux

Fedora

Affected Vendors

Debian Fedoraproject Librecad

References (12)

Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

https://security.gentoo.org/glsa/202305-26

Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349

Third Party Advisory https://www.debian.org/security/2022/dsa-5077

Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

https://security.gentoo.org/glsa/202305-26

Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349

Third Party Advisory https://www.debian.org/security/2022/dsa-5077

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moderate-risk

Severity 30/34 · Critical

Exploitability 1/34 · Minimal

Exposure 13/34 · Low