CVE Vulnerabilities

CVE-2021-39528

Double Free

Published: Sep 20, 2021 | Modified: Sep 24, 2021

CVSS 3.x

8.8

HIGH

Source:

NVD

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

CVSS 2.x

6.8 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-39528
CWE	https://cwe.mitre.org/data/definitions/415.html

An issue was discovered in libredwg through v0.10.1.3751. dwg_free_MATERIAL_private() in dwg.spec has a double free.

Weakness

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Affected Software

Name	Vendor	Start Version	End Version
Libredwg	Gnu	*	0.10.1.3751 (including)

Potential Mitigations

References

https://github.com/LibreDWG/libredwg/issues/256

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