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CVE-2026-106116 Details

Description

ImageSharp is a 2D graphics library. From 2.0.0 until 4.1.2, ExifReader.ReadValues64 trusts the 64-bit BigTIFF IFD entry count and iterates once per declared entry. When fewer than 20 bytes remain, ExifReader.ReadValue64 returns without advancing the stream or terminating the outer loop, so a small malformed BigTIFF can keep one decoder thread executing for an attacker-controlled duration. This report does not claim worker-pool exhaustion. This issue is fixed in version 4.1.2.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-wmxv-xphr-5c9g	CISA-ADP
https://github.com/SixLabors/ImageSharp/commit/92b12d72550ebb6be5b1e22e559c361fd863a6ec	[email protected]
https://github.com/SixLabors/ImageSharp/pull/3187	[email protected]
https://github.com/SixLabors/ImageSharp/releases/tag/v4.1.2	[email protected]
https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-wmxv-xphr-5c9g	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-835	Loop with Unreachable Exit Condition ('Infinite Loop')	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 6, 2026	CVE Modified	CISA-ADP
Oct 6, 2026	New CVE Received	[email protected]