CVE-2021-21897

HIGH 8.8CVE-2021-21897 · Published 08/09/2021 · updated 17/06/2026

In short

CVE-2021-21897 is a HIGH (CVSS 8.8) vulnerability affecting extra packages for enterprise linux (fedoraproject), dxflib (ribbonsoft).
Chance of exploitation in the next 30 days (EPSS): 2.9%, higher than 86.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
extra packages for enterprise linux fedoraproject	`= 7.0= 8.0`	No fix yet
dxflib ribbonsoft	`= 3.17.0`	No fix yet

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.

References

More vulnerabilities in extra packages for enterprise linux

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