CVE-2019-20914 json
An issue was discovered in GNU LibreDWG through 0.9.3.
published 2020-07-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-11448
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
An issue was discovered in GNU LibreDWG through 0.9.3. There is a NULL pointer dereference in the function dwg_encode_common_entity_handle_data in common_entity_handle_data.spec.
Patch / fix
Exploit prediction
1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/LibreDWG/libredwg/issues/178 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
github.com
/LibreDWG/libredwg/commit/3b837bb72d6b9ab4d563faa211f90efc257e3c96
patch, third-party-advisory
-
github.com
/LibreDWG/libredwg/issues/178
exploit, third-party-advisory
Sources
- CVE List CVE-2019-20914
- NVD CVE-2019-20914
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.