NULL Pointer Dereference Affecting swftools package, versions [,0.0.1)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-UNMANAGED-SWFTOOLS-2381949
  • published26 Jan 2022
  • disclosed20 Sept 2021
  • creditUnknown

Introduced: 20 Sep 2021

CVE-2021-39557  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade swftools to version 0.0.1 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference. An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function copyString() located in gmem.cc. It allows an attacker to cause Denial of Service.

References

CVSS Scores

version 3.1