ImageSharp is a 2D graphics API. 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. All users are advised to upgrade to v3.1.5 or v2.1.9.
https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-qxrv-gp6x-rc23
https://github.com/SixLabors/ImageSharp/pull/2770
https://github.com/SixLabors/ImageSharp/pull/2764
https://github.com/SixLabors/ImageSharp/pull/2759
https://github.com/SixLabors/ImageSharp/commit/b496109051cc39feee1f6cde48fca6481de17f9a
https://github.com/SixLabors/ImageSharp/commit/9816ca45016c5d3859986f3c600e8934bc450a56
https://github.com/SixLabors/ImageSharp/commit/59de13c8cc47f2b402e2c43aa7024511d029d515
https://docs.sixlabors.com/articles/imagesharp/security.html