SixLabors ImageSharp up to 2.1.10/3.1.10 resource consumption

Summaryinfo

A vulnerability categorized as problematic has been discovered in SixLabors ImageSharp up to 2.1.10/3.1.10. The affected element is an unknown function. Such manipulation leads to resource consumption. This vulnerability is listed as CVE-2025-54575. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in SixLabors ImageSharp up to 2.1.10/3.1.10. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

ImageSharp is a 2D graphics library. In versions below 2.1.11 and 3.0.0 through 3.1.10, a specially crafted GIF file containing a malformed comment extension block (with a missing block terminator) can cause the ImageSharp GIF decoder to enter an infinite loop while attempting to skip the block. This leads to a denial of service. Applications processing untrusted GIF input should upgrade to a patched version. This issue is fixed in versions 2.1.11 and 3.1.11.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-54575 since 07/25/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 2.1.11 or 3.1.11 eliminates this vulnerability.

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Productinfo

Vendor

• SixLabors

Name

• ImageSharp

Version

• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5
• 2.1.6
• 2.1.7
• 2.1.8
• 2.1.9
• 2.1.10
• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1.8
• 3.1.9
• 3.1.10

Website

• Product: https://github.com/SixLabors/ImageSharp/

CPE 2.3info

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