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Vulnerability · Published Sep 8, 2021 · Assigned by talos

CVE-2021-21897

High 8.8

In plain English

A high-severity security flaw in Ribbonsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.9% (higher than 87% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)8.8High
Exploit odds (30 days)2.9%top 13.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0. A specially-crafted .dxf file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12cloudcompare2.11.3-7.1DEBIAN-CVE-2021-21897
Debian:13cloudcompare2.11.3-7.1DEBIAN-CVE-2021-21897
Debian:14cloudcompare2.11.3-7.1DEBIAN-CVE-2021-21897
Debian:12dxflib3.26.4-1DEBIAN-CVE-2021-21897
Debian:13dxflib3.26.4-1DEBIAN-CVE-2021-21897
Debian:14dxflib3.26.4-1DEBIAN-CVE-2021-21897
Debian:12horizon-edano fix listedDEBIAN-CVE-2021-21897
Debian:13horizon-edano fix listedDEBIAN-CVE-2021-21897
Debian:14horizon-edano fix listedDEBIAN-CVE-2021-21897
Debian:12librecadno fix listedDEBIAN-CVE-2021-21897
Debian:13librecadno fix listedDEBIAN-CVE-2021-21897
Debian:14librecadno fix listedDEBIAN-CVE-2021-21897
Ubuntu:22.04:LTSdxflibno fix listedUBUNTU-CVE-2021-21897
Ubuntu:24.04:LTSdxflibno fix listedUBUNTU-CVE-2021-21897
Ubuntu:25.10dxflibno fix listedUBUNTU-CVE-2021-21897
Ubuntu:26.04:LTSdxflibno fix listedUBUNTU-CVE-2021-21897
Ubuntu:26.10dxflibno fix listedUBUNTU-CVE-2021-21897

Affected products (as reported)

VendorProductVersions
n/a Ribbonsoft Ribbonsoft dxflib 3.17.0

Weakness: CWE-191 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References