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
0.14% (36th percentile)

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  • Snyk IDSNYK-UNMANAGED-WINMERGEFREEIMAGE-5876738
  • published31 Aug 2023
  • disclosed22 Aug 2023
  • creditUnknown

Introduced: 22 Aug 2023

CVE-2021-40263  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for WinMerge/freeimage.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the ofLoad function in PluginTIFF.cpp. An attacker can cause a system crash or potentially execute arbitrary code by sending specifically crafted TIFF image data.

Note: This is only exploitable if large TIFF images are processed.

References

CVSS Base Scores

version 3.1