Infinite loop Affecting sixlabors.imagesharp package, versions [2.0.0,4.1.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.37% (29th percentile)

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  • Snyk IDSNYK-DOTNET-SIXLABORSIMAGESHARP-20575602
  • published8 Oct 2026
  • disclosed7 Oct 2026
  • creditUnknown

Introduced: 7 Oct 2026

NewCVE-2026-106116  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade SixLabors.ImageSharp to version 4.1.2 or higher.

Overview

Affected versions of this package are vulnerable to Infinite loop through the ReadValues64 process. An attacker can cause the decoder to enter a non-progressing loop by supplying a crafted BigTIFF file with a large IFD entry count, resulting in excessive resource consumption and potential denial of service.

CVSS Base Scores

version 4.0
version 3.1