CVE-2021-39521

Exploit

EPSS 0.24%
Published 20.09.2021 16:15:11
Last modified 21.11.2024 06:19:36
Source cve@mitre.org
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An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function bit_read_BB() located in bits.c. It allows an attacker to cause Denial of Service.

Affected products Warnungen 0 Metrics 3 CWE 1 References 4

Data is provided by the National Vulnerability Database (NVD)

Gnu ≫ Libredwg Version <= 0.10.1.3751

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.24%	0.441

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	6.5	2.8	3.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd@nist.gov	4.3	8.6	2.9	AV:N/AC:M/Au:N/C:N/I:N/A:P

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://github.com/LibreDWG/libredwg/issues/262

Patch

Third Party Advisory

Exploit

Issue Tracking

https://nvd.nist.gov/vuln/detail/CVE-2021-39521

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-39521

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-39521

EUVD