High
dxflib — security advisory
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0. A specially-crafted .dxf file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
- Products
- dxflib
- Affected versions
- 2.5.0.0-3, 2.5.0.0-4, 3.17.0-2, 3.17.0-3, 3.17.0-3build1, 3.26.4-1, 3.26.4-1build1, 3.26.4-2, 3.26.4-2build1, 3.26.4-3
- Fixed versions
- Not specified
- CVEs
- CVE-2021-21897
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:57 UTC · Revision 1
Source evidence
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0. A specially-crafted .dxf file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
osv:UBUNTU-CVE-2021-21897
dxflib
Fixed versions: Not specified
dxflib
Fixed versions: Not specified
dxflib
Fixed versions: Not specified
dxflib
Fixed versions: Not specified
dxflib
Fixed versions: Not specified
dxflib
Fixed versions: Not specified
dxflib
Fixed versions: Not specified
dxflib
Fixed versions: Not specified
Complete source record
{
"id": "1b57d8b47cff423fbd1273d614fdddb6fa6b7793d2a3a667c2f9aaec875a7c74",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-21897",
"method": "structured",
"payload": {
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"title": "UBUNTU-CVE-2021-21897",
"summary": "A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0. A specially-crafted .dxf file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.",
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"modified": "2026-10-17T12:56:18.956798127Z",
"provider": "osv",
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"references": [
"https://ubuntu.com/security/CVE-2021-21897",
"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1346",
"https://www.cve.org/CVERecord?id=CVE-2021-21897"
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"source_id": "core-osv",
"document_id": 355230,
"published_at": "2021-09-08T16:15:00+00:00"
}