Heap-based Buffer Overflow Affecting WinMerge/freeimage package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.36% (58th percentile)

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  • Snyk IDSNYK-UNMANAGED-WINMERGEFREEIMAGE-5862666
  • published27 Aug 2023
  • disclosed22 Aug 2023
  • creditUnknown

Introduced: 22 Aug 2023

CVE-2020-21427  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow. In the function LoadPixelDataRLE8 in PluginBMP.cpp, an attacker can run arbitrary code and cause other impacts via a crafted image file.

References

CVSS Base Scores

version 3.1