CVE-2020-21844

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Summary

CVECVE-2020-21844
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-17 22:15:07 UTC
Updated2026-07-05 00:16:52 UTC
DescriptionGNU 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.015430000 probability, percentile 0.719530000 (date 2026-07-06)

Problem Types: NVD-CWE-Other | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnu Libredwg 0.10 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
GNU Snowboards 2020-2021 | GNU Snowboards af854a3a-2127-422b-91ae-364da2661108 gnu.com Not Applicable
Several bugs found by fuzzing · Issue #188 · LibreDWG/libredwg · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Issue Tracking, Patch, Third Party Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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