Medium severity6.5NVD Advisory· Published Sep 20, 2021· Updated Jun 17, 2026
CVE-2021-39523
CVE-2021-39523
Description
An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function check_POLYLINE_handles() located in decode.c. It allows an attacker to cause Denial of Service.
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Affected products
2- libredwg/libredwgdescription
Patches
Vulnerability mechanics
References
1- github.com/LibreDWG/libredwg/issues/251nvdExploitIssue TrackingThird Party Advisory
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