CVE-2024-41132

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

Before calling Image.Decode(Async), use Image.Identify to determine the image dimensions in order to enforce a limit.

References

Are there any links users can visit to find out more?

• https://github.com/SixLabors/ImageSharp/pull/2759
• https://github.com/SixLabors/ImageSharp/pull/2764
• https://github.com/SixLabors/ImageSharp/pull/2770
• ImageSharp: Security Considerations
• ImageSharp.Web: Securing Processing Commands

What kind of vulnerability is it? Who is impacted?

A vulnerability discovered in the ImageSharp library, where the processing of specially crafted files can lead to excessive memory usage in the Gif decoder. The vulnerability is triggered when ImageSharp attempts to process image files that are designed to exploit this flaw.

The application allocates resources such as memory, threads, or file descriptors based on untrusted input without enforcing a cap. Typical impact: resource exhaustion leading to denial of service.

CVE-2024-41132 has a CVSS score of 5.3 (Medium). The vector is network-reachable, no privileges required, and no user interaction. A CVSS score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether this affects your application depends on whether the vulnerable code is present and reachable in your environment. A fixed version is available (2.1.9, 3.1.5); upgrading removes the vulnerable code path.

Kodem intelligence

Has the problem been patched? What versions should users upgrade to?

The problem has been patched. All users are advised to upgrade to v3.1.5 or v2.1.9.

1. What is CVE-2024-41132? CVE-2024-41132 is a medium-severity allocation of resources without limits or throttling vulnerability in SixLabors.ImageSharp (nuget), affecting versions < 2.1.9. It is fixed in 2.1.9, 3.1.5. The application allocates resources such as memory, threads, or file descriptors based on untrusted input without enforcing a cap.
2. How severe is CVE-2024-41132? CVE-2024-41132 has a CVSS score of 5.3 (Medium). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.
3. Which versions of SixLabors.ImageSharp are affected by CVE-2024-41132? SixLabors.ImageSharp (nuget) versions < 2.1.9 is affected.
4. Is there a fix for CVE-2024-41132? Yes. CVE-2024-41132 is fixed in 2.1.9, 3.1.5. Upgrade to this version or later.
5. Is CVE-2024-41132 exploitable, and should I be worried? Whether CVE-2024-41132 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
6. What actually determines whether CVE-2024-41132 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
7. How do I fix CVE-2024-41132?
   • Upgrade SixLabors.ImageSharp to 2.1.9 or later
   • Upgrade SixLabors.ImageSharp to 3.1.5 or later