CVE-2026-106117
highImageSharp is a 2D graphics library.
Vendor / product: Sixlabors — imagesharp
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/SixLabors/ImageSharp/commit/e8892ecd8a95dee95c4480fda51cfe0b32f3b846 security-advisories@github.com
- https://github.com/SixLabors/ImageSharp/pull/3176 security-advisories@github.com
- https://github.com/SixLabors/ImageSharp/releases/tag/v4.1.1 security-advisories@github.com
- https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-jj3q-cwqj-842r security-advisories@github.com
- https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-jj3q-cwqj-842r 134c704f-9b21-4f2e-91b3-4a467353bcc0