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Status published
High
CVE-2021-21899
A code execution vulnerability exists in the dwgCompressor::copyCompBytes21 functionality of...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/
- https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html
- https://www.debian.org/security/2022/dsa-5077
- https://security.gentoo.org/glsa/202305-26
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Affected Vendor
Affected Software
LibreCAD
Vulnerable Versions:
LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580
Timeline
Official Publish:
November 19th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H