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CVE-2026-106117

7.5 · HIGH

ImageSharp is a 2D graphics library.

Published Oct 6, 2026sixlaborsCWE-787EPSS 0.39%

Overview

CVE-2026-106117 is a high-severity vulnerability affecting sixlabors imagesharp. It was published on October 6, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from sixlabors. Update imagesharp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
sixlaborsimagesharp>= 3.0.0, < 3.2.0Affected

References

GitHubgithub.com/SixLabors/ImageSharp/commit/e8892ecd8a95dee95c4480fda51cfe0b32f3b846GitHubgithub.com/SixLabors/ImageSharp/pull/3176GitHubgithub.com/SixLabors/ImageSharp/releases/tag/v4.1.1GitHubgithub.com/SixLabors/ImageSharp/security/advisories/GHSA-jj3q-cwqj-842rGitHubgithub.com/SixLabors/ImageSharp/security/advisories/GHSA-jj3q-cwqj-842r

How CyberStrike helps

Frequently asked questions

What is CVE-2026-106117?

CVE-2026-106117 is a high-severity vulnerability affecting sixlabors imagesharp. It was published on October 6, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-106117?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-106117?

Check the references section for vendor advisories and patches from sixlabors. Update imagesharp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-106117?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-106117 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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