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ImageSharp: ICC LUT16 output channel count can write beyond Vector4

Type: advisorySource: Official CVE List1 source record

ImageSharp is a 2D graphics library. From 4.0.0 until 4.1.2, ICC LUT16 conversion accepts more than four output channels even though ClutCalculator.Calculate and LutEntryCalculator.CalculateLut store intermediate and output values in Vector4. When DecoderOptions.ColorProfileHandling is set to Convert, a malformed embedded profile can direct interpolation and output-LUT operations to write one float per declared channel beyond the four-float destination. This can corrupt memory and terminate the process; the default Preserve mode does not run ICC conversion. This issue is fixed in version 4.1.2.

Announced Source revision 1
Original source ↗

CVE-2026-106112

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-106112

ImageSharp

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "SixLabors",
    "product": "ImageSharp",
    "versions": [
      {
        "status": "affected",
        "version": ">= 4.0.0, < 4.1.2"
      }
    ]
  }
]
Related CVEs
CVE-2026-106112

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#9516 · Revision 1
Added to Heist Feed
Publisher date
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