HIGH 7.5 NVD
CVE-2026-106117
ImageSharp is a 2D graphics library. From 3.0.0 until 4.1.1, decoding a strip TIFF using CCITT Group 3 or Modified Huffman compression can pass attacker-expande
ImageSharp is a 2D graphics library. From 3.0.0 until 4.1.1, decoding a strip TIFF using CCITT Group 3 or Modified Huffman compression can pass attacker-expanded runs to BitWriterUtils.WriteBits without first checking the current row width. T4TiffCompression.WritePixelRun can accumulate oversized makeup-code runs, and ModifiedHuffmanTiffCompression.Decompress validates the width only after writing. The unchecked writes can overflow the strip buffer, corrupt heap memory, and terminate the process. This strip-path vulnerability is distinct from the tiled decompressor-width mismatch. This issue is fixed in version 4.1.1.
References
- https://github.com/SixLabors/ImageSharp/commit/e8892ecd8a95dee95c4480fda51cfe0b32f3b846
- https://github.com/SixLabors/ImageSharp/pull/3176
- https://github.com/SixLabors/ImageSharp/releases/tag/v4.1.1
- https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-jj3q-cwqj-842r
- https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-jj3q-cwqj-842r
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-10-06 via NVD.
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