Medium severity5.5NVD Advisory· Published Jan 25, 2022· Updated Jun 17, 2026

CVE-2021-45343

Description

In LibreCAD 2.2.0, a NULL pointer dereference in the HATCH handling of libdxfrw allows an attacker to crash the application using a crafted DXF document.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Librecad/Librecad3 versions
cpe:2.3:a:librecad:librecad:2.2.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:librecad:librecad:2.2.0:*:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: <2.2.0
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

github.com/LibreCAD/LibreCAD/issues/1468nvdExploitIssue TrackingPatchThird Party Advisory
www.debian.org/security/2022/dsa-5077nvdThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/nvd
security.gentoo.org/glsa/202305-26nvd

News mentions

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cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000