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    CVE-2026-106116

    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.

    Published:Oct 6, 2026
    Last Modified:Oct 24, 2026
    EPS:Oct 6, 2026
    EPSS Score:0.00366
    CVSS Score:5.3

    Affected Products

    Vendor
    Sixlabors
    Product
    Imagesharp

    Exploits

    https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-wmxv-xphr-5c9ghttps://github.com/SixLabors/ImageSharp/security/advisories/GHSA-wmxv-xphr-5c9g

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-106118 (CVSS 7.5) — ImageSharp is a 2D graphics library. From 3.0.0 until 4.1.1, tiled TIFF decoding allocates a destination buffe…
    CVE-2026-106117 (CVSS 7.5) — ImageSharp is a 2D graphics library. From 3.0.0 until 4.1.1, decoding a strip TIFF using CCITT Group 3 or Modi…
    CVE-2026-106115 (CVSS 7.5) — ImageSharp is a 2D graphics library. From 2.1.0 until 4.1.2, the TIFF CCITT Group 4 encoder allocates Width ti…
    CVE-2026-106114 (CVSS 5.3) — ImageSharp is a 2D graphics library. From 1.0.0-beta0001 until 4.1.2, ICC CLUT parsing calculates allocation s…
    CVE-2026-106113 (CVSS 7.5) — ImageSharp is a 2D graphics library. From 2.0.0 until 4.1.2, decoding an attacker-supplied 32-bit floating-poi…
    CVE-2026-106112 (CVSS 7.5) — ImageSharp is a 2D graphics library. From 4.0.0 until 4.1.2, ICC LUT16 conversion accepts more than four outpu…
    CVE-2026-106111 (CVSS 5.9) — ImageSharp is a 2D graphics library. From 4.0.0 until 4.1.2, ExrBaseDecompressor.UndoZipCompression accepts a …
    CVE-2026-106110 (CVSS 7.5) — ImageSharp is a 2D graphics library. From 2.0.0 until 4.1.2, the TIFF CCITT Group 3 encoder allocates an under…
    CVE-2025-54575 (CVSS 5.3) — ImageSharp is a 2D graphics library. In versions below 2.1.11 and 3.0.0 through 3.1.10, a specially crafted GI…
    CVE-2025-27598 (CVSS 7.5) — ImageSharp is a 2D graphics API. An Out-of-bounds Write vulnerability has been found in the ImageSharp gif dec…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High