Read the docs
TI-2021-20493 Aliases CVE-2021-45342GHSA-jvxq-fmg4-p4w2

A buffer overflow vulnerability in CDataList of the jwwlib component of LibreCAD…

Priority LOW 38CWE-120Published · Updated

Key facts

Attack vector
Local
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 CDataList 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 0.01934 80th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:librecad:librecad:*:*:*:*:*:*:*:*up to 2.1.3VulnerableLibreCAD
cpe:2.3:a:librecad:librecad:2.2.0:alpha:*:*:*:*:*:*2.2.0 alphaVulnerableLibreCAD
cpe:2.3:a:librecad:librecad:2.2.0:rc1:*:*:*:*:*:*2.2.0 rc1VulnerableLibreCAD
cpe:2.3:a:librecad:librecad:2.2.0:rc2:*:*:*:*:*:*2.2.0 rc2VulnerableLibreCAD
cpe:2.3:a:librecad:librecad:2.2.0:rc3:*:*:*:*:*:*2.2.0 rc3VulnerableLibreCAD
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*34VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:librecad:librecad:*:*:*:*:*:*:*:* Versions up to 2.1.3 Vulnerable ·LibreCAD
  • cpe:2.3:a:librecad:librecad:2.2.0:alpha:*:*:*:*:*:* Versions 2.2.0 alpha 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

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45342
  2. 2026-10-03 Alias added: GHSA-jvxq-fmg4-p4w2

References

Sources