A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadCHAR function in…
Priority LOW 31CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadCHAR function in lib/dwg/io.cpp, resulting in an application crash.
Why it matters now
EPSS 0.0115 67th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libopencad_project:libopencad:0.2.0:*:*:*:*:*:*:* | 0.2.0 | Vulnerable | Libopencad Project |
- cpe:2.3:a:libopencad_project:libopencad:0.2.0:*:*:*:*:*:*:* Versions 0.2.0 Vulnerable ·Libopencad Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-18481
- 2026-10-03 Alias added: GHSA-2h55-hc4f-7vj2
References
More Libopencad Project Libopencad vulnerabilities
- TI-2018-13066 A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadMCHAR function in… CVSS 3.0MEDIUM 6.5
Sources
- CVE-2018-18481 · CVE Program
- CVE-2018-18481 · NVD
- FIRST EPSS
- GHSA-2h55-hc4f-7vj2 · GitHub Advisory Database · CC BY 4.0
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