CVE-2025-54575: SixLabors ImageSharp Has Infinite Loop in GIF Decoder When Skipping Malformed Comment Extension Blocks

CVE-2025-54575 · Severity: low · CVSS 3.1 · Published 2025-07-30

SixLabors ImageSharp Has Infinite Loop in GIF Decoder When Skipping Malformed Comment Extension Blocks

Technologies: SixLabors.ImageSharp (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2025-54575 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-54575 being exploited in the wild.
How severe is CVE-2025-54575?
Low severity, with a CVSS score of 3.1, published 30 July 2025.
Which products and versions are affected?
SixLabors.ImageSharp (NuGet) ECOSYSTEM:introduced=0,fixed=2.1.11.
Is there a fix for CVE-2025-54575?
Yes. SixLabors.ImageSharp (NuGet): upgrade to 2.1.11 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-54575?
Check whether you run SixLabors.ImageSharp (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • SixLabors.ImageSharp (NuGet): upgrade to 2.1.11 or later
    dotnet add package SixLabors.ImageSharp --version 2.1.11

Affected products

  • SixLabors.ImageSharp (NuGet) ECOSYSTEM:introduced=0,fixed=2.1.11

Identifiers

  • CVE-2025-54575
  • GHSA-rxmq-m78w-7wmc

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