CVE-2021-21897
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
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.
- Record
CVE-2021-21897- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-191
- Updated
- 2026-11-02
EUVDEUVD-2021-9068
8.8
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.
- Record
EUVD-2021-9068- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ghgg-v38h-7v7m
8.8
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of...
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.
- Record
GHSA-ghgg-v38h-7v7m- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-191, CWE-787
- Updated
- 2026-11-02
NVD
8.8
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.
- Record
CVE-2021-21897- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-191, CWE-787
- Updated
- 2026-11-02
OSV
8.8
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.
- Record
CVE-2021-21897- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-21897
8.8
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.
- Record
DEBIAN-CVE-2021-21897- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-21897
8.8
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.
- Record
UBUNTU-CVE-2021-21897- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10730-1 No score
dxflib-devel-3.26.4-1.1 on GA media
These are all security issues fixed in the dxflib-devel-3.26.4-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10730-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
cloudcompareDebian:12 |
before 2.11.3-7.1 | 2.11.3-7.1 |
cloudcompareDebian:13 |
before 2.11.3-7.1 | 2.11.3-7.1 |
cloudcompareDebian:14 |
before 2.11.3-7.1 | 2.11.3-7.1 |
dxflibDebian:12 |
before 3.26.4-1 | 3.26.4-1 |
dxflibDebian:13 |
before 3.26.4-1 | 3.26.4-1 |
dxflibDebian:14 |
before 3.26.4-1 | 3.26.4-1 |
horizon-edaDebian:12 |
All versions, plus listed versions 2.4.0-12.4.0-1.12.5.0-12.6.0-12.6.0-2 Show 4 moreShow less2.6.0-2.12.6.0-2.22.6.0-2.32.6.0-3 |
None known |
horizon-edaDebian:13 |
All versions, plus listed versions 2.6.0-2.22.6.0-2.32.6.0-3 |
None known |
horizon-edaDebian:14 |
All versions, plus listed versions 2.6.0-2.22.6.0-2.32.6.0-3 |
None known |
librecadDebian:12 |
All versions, plus listed versions 2.2.0-12.2.0.2-12.2.0.2-22.2.0.2-3 |
None known |
Show 12 moreShow less
| Package | Affected | Fixed |
|---|---|---|
librecadDebian:13 |
All versions, plus listed versions 2.2.0.2-12.2.0.2-22.2.0.2-3 |
None known |
librecadDebian:14 |
All versions, plus listed versions 2.2.0.2-12.2.0.2-22.2.0.2-3 |
None known |
librecadDebian:9 |
before 2.1.2-1+deb9u4, plus listed versions 2.1.2-12.1.2-1+deb9u12.1.2-1+deb9u22.1.2-1+deb9u3 |
2.1.2-1+deb9u4 |
dxflibUbuntu:16.04:LTS |
All versions, plus listed versions 2.5.0.0-32.5.0.0-4 |
None known |
dxflibUbuntu:18.04:LTS |
All versions, plus listed versions 3.17.0-2 |
None known |
dxflibUbuntu:20.04:LTS |
All versions, plus listed versions 3.17.0-33.17.0-3build1 |
None known |
dxflibUbuntu:22.04:LTS |
All versions, plus listed versions 3.17.0-3build13.26.4-1 |
None known |
dxflibUbuntu:24.04:LTS |
All versions, plus listed versions 3.26.4-13.26.4-1build1 |
None known |
dxflibUbuntu:25.10 |
All versions, plus listed versions 3.26.4-2 |
None known |
dxflibUbuntu:26.10 |
All versions, plus listed versions 3.26.4-2build13.26.4-3 |
None known |
dxflibUbuntu:26.04:LTS |
All versions, plus listed versions 3.26.4-23.26.4-2build1 |
None known |
dxflibopenSUSE:Tumbleweed |
before 3.26.4-1.1 | 3.26.4-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21897 is a high vulnerability (CVSS 8.8) in Ribbonsoft Dxflib, published September 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.89%, the 86th percentile. Fixed in cloudcompare 2.11.3-7.1.
References
talosintelligence.com/vulnerability_reports/TALOS-2021-1346
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DA4C4X5GMM65VYLUW7Q7YL6P5NDB633A
lists.debian.org/debian-lts-announce/2022/06/msg00008.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IMGMEPTYL7WTQ333J6SMC6MUHDMMWT3O
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BUOTYU3KKIYE4BEBUFA4MRS462P3OWM
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L2H36XRMAPQBIOVIIFX6KUT5YOG2ETM6
Show 10 moreShow less
nvd.nist.gov/vuln/detail/CVE-2021-21897
lists.fedoraproject.org/archives/list/[email protected]/message/DA4C4X5GMM65VYLUW7Q7YL6P5NDB633A
lists.fedoraproject.org/archives/list/[email protected]/message/IMGMEPTYL7WTQ333J6SMC6MUHDMMWT3O
lists.fedoraproject.org/archives/list/[email protected]/message/5BUOTYU3KKIYE4BEBUFA4MRS462P3OWM
lists.fedoraproject.org/archives/list/[email protected]/message/L2H36XRMAPQBIOVIIFX6KUT5YOG2ETM6
github.com/advisories/GHSA-ghgg-v38h-7v7m
security-tracker.debian.org/tracker/CVE-2021-21897
ubuntu.com/security/CVE-2021-21897
cve.org/CVERecord?id=CVE-2021-21897
suse.com/security/cve/CVE-2021-21897