CVE-2018-18480 json
A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadMCHAR function in lib/dwg/io.cpp, resulting in an application crash.
published 2018-10-18 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-10206
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadMCHAR function in lib/dwg/io.cpp, resulting in an application crash.
Exploit prediction
1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/sandyre/libopencad/issues/43 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/sandyre/libopencad/issues/43
exploit, third-party-advisory
Sources
- CVE List CVE-2018-18480
- NVD CVE-2018-18480
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