CVE-2020-21844 json
GNU LibreDWG 0.10 is affected by: memcpy-param-overlap.
published 2021-05-17 5 y ago modified 2026-07-09 4 mo ago also EUVD-2020-14610
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
GNU LibreDWG 0.10 is affected by: memcpy-param-overlap. The impact is: execute arbitrary code (remote). The component is: read_2004_section_header ../../src/decode.c:2580.
Patch / fix
Exploit prediction
1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493607 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
References
-
github.com
/LibreDWG/libredwg/issues/188#issuecomment-574493607
exploit, issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2020-21844
- NVD CVE-2020-21844
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