A buffer overflow vulnerability in CDataMoji of the jwwlib component of LibreCAD…
Priority MEDIUM 48CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A buffer overflow vulnerability in CDataMoji of the jwwlib component of LibreCAD 2.2.0-rc3 and older allows an attacker to achieve Remote Code Execution using a crafted JWW document.
Why it matters now
EPSS 0.06617 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:librecad:librecad:*:*:*:*:*:*:*:* | before 2.2.0 | Vulnerable | LibreCAD |
| cpe:2.3:a:librecad:librecad:2.2.0:rc1:*:*:*:*:*:* | 2.2.0 rc1 | Vulnerable | LibreCAD |
| cpe:2.3:a:librecad:librecad:2.2.0:rc2:*:*:*:*:*:* | 2.2.0 rc2 | Vulnerable | LibreCAD |
| cpe:2.3:a:librecad:librecad:2.2.0:rc3:*:*:*:*:*:* | 2.2.0 rc3 | Vulnerable | LibreCAD |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:a:librecad:librecad:*:*:*:*:*:*:*:* Versions before 2.2.0 Vulnerable ·LibreCAD
- cpe:2.3:a:librecad:librecad:2.2.0:rc1:*:*:*:*:*:* Versions 2.2.0 rc1 Vulnerable ·LibreCAD
- cpe:2.3:a:librecad:librecad:2.2.0:rc2:*:*:*:*:*:* Versions 2.2.0 rc2 Vulnerable ·LibreCAD
- cpe:2.3:a:librecad:librecad:2.2.0:rc3:*:*:*:*:*:* Versions 2.2.0 rc3 Vulnerable ·LibreCAD
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-45341
- 2026-10-03 Alias added: GHSA-9882-476q-39vf
References
Sources
- CVE-2021-45341 · CVE Program
- CVE-2021-45341 · NVD
- FIRST EPSS
- GHSA-9882-476q-39vf · GitHub Advisory Database · CC BY 4.0
- CVE-2021-45341 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences