01 Record

CVE-2021-21900

A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability.

HighPUBLISHEDCNA: talos

CNA base score8.8 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

View raw JSON

02 Description

A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability.

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.46% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 83.0% of scored records. A rank, not a probability.
NVD base score: 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-11-19 00:00Z4 YR AGO

Last updated

2024-08-03 18:30Z2 YR AGO

Reserved

2021-01-04

Assigning CNA

talos

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CWE-416Use After FreeVariant

Data version

5.1

Document digest

f311991eec8efbe73ccea83c0f4b421d68624354c3381eca7657fd50b31f2569

05 Affected products

VendorProductVersionsPlatforms

n/aLibreCADLibreCad libdxfrw 2.2.0-rc2-19-ge02f3580—

06 References

talosintelligence.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2021-1351
lists.fedoraproject.orgFEDORA-2021-fa9e3c23f2https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/vendor-advisory
lists.fedoraproject.orgFEDORA-2021-67c946a9f3https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/vendor-advisory
lists.debian.org[debian-lts-announce] 20211203 [SECURITY] [DLA 2838-1] librecad security updatehttps://lists.debian.org/debian-lts-announce/2021/12/msg00002.htmlmailing-list
www.debian.orgDSA-5077https://www.debian.org/security/2022/dsa-5077vendor-advisory
security.gentoo.orgGLSA-202305-26https://security.gentoo.org/glsa/202305-26vendor-advisory

01 Record index

CVE-2021-21900

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2021-21900

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References