Name: CVE-2021-21900: Use After Free
Creator: Rapid7
Published: 2021-11-19T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-21900, CWE-416, CVSS 8.8, EPSS 0.00279

A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability. An attacker can provide a malicious file to trigger this vulnerability.

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Nov 19, 2021
Debian	—	Upgrade librecad	Dec 6, 2021	Nov 19, 2021
Gentoo Linux	—	Upgrade media-gfx/librecad.	May 23, 2023	Nov 19, 2021
Suse	—	Upgrade libdxfrw-toolsUpgrade librecad-partsUpgrade libdxfrw-develUpgrade librecadUpgrade libdxfrw1	Mar 3, 2022	Nov 19, 2021
Ubuntu	—	Upgrade librecadUpgrade librecad (Ubuntu Pro)	Mar 22, 2023	Nov 19, 2021

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CVSS Details

Covered by Rapid7

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