CVE-2021-21899
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Librecad Libdxfrw
PublishedNov 19, 2021
First seenNov 19, 2021
Weakness typeCWE-119Memory buffer bounds error
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/
- debian.org/security/2022/dsa-5077
- security.gentoo.org/glsa/202305-26
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| librecad libdxfrw | 2.2.0-rc2-19-ge02f3580 | — |
| fedoraproject fedora | 34, 35 | — |
| debian debian_linux | 9.0, 10.0, 11.0 | — |
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