CVE-2021-39528 : An issue was discovered in libredwg through v0.10.1.3751. dwg_free_MATERIAL

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

Published 2021-09-20 16:15:12

Updated 2021-09-24 20:23:46

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2021-39528

GNU » Libredwg
Versions up to, including, (<=) 0.10.1.3751
cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.25%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 64 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-415 Double Free

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

Assigned by: nvd@nist.gov (Primary)

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

A double free in dwg.spec:7662 · Issue #256 · LibreDWG/libredwg · GitHub
Exploit;Issue Tracking;Patch;Third Party Advisory

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