VDB
CVE-2021-21900
CVE-2021-21900
PUBLISHED
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.
EPSS 1.62% · 82.2th percentile
Risk Scores
EPSS Score
1.62%
82.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:16.04:LTS | librecad | 2.0.8-1, 0, 2.0.4-1build1 |
| Ubuntu:24.04:LTS | librecad | 2.2.0-1, 2.2.0.2-1build2, 2.2.0.2-1 |
| Ubuntu:25.10 | librecad | 2.2.0.2-1build3, 0 |
| Ubuntu:20.04:LTS | librecad | 2.1.3-1.2build1, 0, 2.1.3-1.2 |
| Ubuntu:18.04:LTS | librecad | 2.1.2-1, 0 |
Exploit Intelligence
Timeline
- Nov 19, 2021 CVE Published
- Nov 20, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 10, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Jun 29, 2022 EPSS Score
- Aug 24, 2022 EPSS Score
- Dec 12, 2022 EPSS Score
- Dec 30, 2022 EPSS Score
- Feb 6, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-21900 third-party-advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1351 third-party-advisory
- https://github.com/LibreCAD/libdxfrw/commit/fcd977cc7f8f6cc7f012e5b72d33cf7d77b3fa69 third-party-advisory
- https://ubuntu.com/security/notices/USN-5957-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-21900 third-party-advisory