CVE-2021-21899

Katalog CVE

CVSS 8.8 · High EPSS 2,8%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada librecad libdxfrw, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

19 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787: Out-of-bounds Write

EPSS (30 hari)

2,8% peluang dieksploitasi; lebih tinggi dari 85,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html mailing list · advisory pihak ketiga
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350 exploit · advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5077 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4...
• https://security.gentoo.org/glsa/202305-26