VulnerabilityModified
CVE-2020-21836
A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_preview ../../src/decode.c:3175.
HIGH 8.8EPSS 1.07%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_preview ../../src/decode.c:3175.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.07% probability · 65th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- gnu/libredwg
- Source
- cve@mitre.org
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493437Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493437Exploit, Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.