NULL Pointer Dereference Affecting libredwg package, versions [,0.10.2635)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBREDWG-2368264
  • published26 Jan 2022
  • disclosed20 Sept 2021
  • creditUnknown

Introduced: 20 Sep 2021

CVE-2021-39521  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade libredwg to version 0.10.2635 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference. 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.

References

CVSS Scores

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