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[GHSA-v76p-62qx-wwq2] ImageSharp: Tiled fax TIFF: tile buffer sized by TileWidth but fax decompressor writes scanlines of ImageWidth — heap OOB write - #10273

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JimBobSquarePants/advisory-improvement-10273from
JimBobSquarePants-GHSA-v76p-62qx-wwq2
Oct 26, 2026
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advisory-database[bot] merged 1 commit into
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JimBobSquarePants-GHSA-v76p-62qx-wwq2

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@JimBobSquarePants

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Updates

  • Affected products
  • Description

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The fix has been backported and released in ImageSharp 3.2.0. Split the affected ranges to exclude the fixed v3 release while preserving the existing v4 fix. The repository advisory has already been updated. Correct the NuGet package name to SixLabors.ImageSharp.

Release: https://github.com/SixLabors/ImageSharp/releases/tag/v3.2.0
Repository advisory: GHSA-v76p-62qx-wwq2

Copilot AI balanced review requested due to automatic review settings October 9, 2026 09:18
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github commented Oct 9, 2026

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Hi there @JimBobSquarePants! A community member has suggested an improvement to your security advisory. If approved, this change will affect the global advisory listed at github.com/advisories. It will not affect the version listed in your project repository.

This change will be reviewed by our Security Curation Team. If you have thoughts or feedback, please share them in a comment here! If this PR has already been closed, you can start a new community contribution for this advisory

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github-actions Bot changed the base branch from main to JimBobSquarePants/advisory-improvement-10273 October 9, 2026 09:19

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🟢 Approval recommended

The advisory is valid JSON and its metadata matches the published releases and backported fix.

0 open findings

What changed in this PR

Updates the ImageSharp advisory to reflect the v3 backport and correct NuGet metadata.

Changes:

  • Adds 3.2.0 and 4.1.1 patched-version guidance.
  • Splits affected ranges across v3 and v4.
  • Corrects the package name to SixLabors.ImageSharp.
File Description
GHSA-v76p-62qx-wwq2.json Updates package identity, affected ranges, and remediation details.

🧠 Review effort: Balanced


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@JimBobSquarePants

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Hi GitHub Security Curation Team,

Could you please urgently review this correction, submitted on 9 October?

ImageSharp 3.2.0 contains the backported security fix, but the published affected-version range still includes it. The incorrect warning is blocking users whose builds enforce NuGet vulnerability checks from upgrading to the patched release.

This has now been outstanding for 11 days. Please prioritise the review so users can install the security update without suppressing vulnerability warnings.

Thanks,
James

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advisory-database Bot merged commit bc9e5bc into JimBobSquarePants/advisory-improvement-10273 Oct 26, 2026
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Hi @JimBobSquarePants! Thank you so much for contributing to the GitHub Advisory Database. This database is free, open, and accessible to all, and it's people like you who make it great. Thanks for choosing to help others. We hope you send in more contributions in the future!

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advisory-database Bot deleted the JimBobSquarePants-GHSA-v76p-62qx-wwq2 branch October 26, 2026 14:14
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3 participants