CVE-2018-18481
A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadCHAR function in lib/dwg/io...
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.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-18481- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-18481- Updated
- 2026-11-02
EUVDEUVD-2018-10207 No score
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.
- Record
EUVD-2018-10207- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2h55-hc4f-7vj2
A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadCHAR function in lib/dwg/io...
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.
- Record
GHSA-2h55-hc4f-7vj2- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2018-18481- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
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-2018-18481 is a medium vulnerability (CVSS 6.5) in Libopencad Project Libopencad, published October 18, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 67th percentile. No source names a fixed version.