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Update libpng to 1.6.57 - #3673
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Update libpng from 1.6.54 to 1.6.57 to fix security vulnerabilities: - CVE-2026-25646 (CRITICAL) - Heap buffer overflow in png_set_quantize() - CVE-2026-33416 (HIGH) - Use-after-free between png_struct and png_info - CVE-2026-33636 (HIGH) - ARM NEON palette expansion OOB read/write Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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📦 Try the packages from this PRWarning Do not run these scripts without first reviewing the code in this PR. Step 1 — Download the packages bash / macOS / Linux: curl -fsSL https://raw.githubusercontent.com/mono/SkiaSharp/main/scripts/get-skiasharp-pr.sh | bash -s -- 3673PowerShell / Windows: iex "& { $(irm https://raw.githubusercontent.com/mono/SkiaSharp/main/scripts/get-skiasharp-pr.ps1) } 3673"Step 2 — Add the local NuGet source dotnet nuget add source ~/.skiasharp/hives/pr-3673/packages --name skiasharp-pr-3673More options
Or download manually from Azure Pipelines — look for the Remove the source when you're done: dotnet nuget remove source skiasharp-pr-3673 |
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📖 Documentation Preview The documentation for this PR has been deployed and is available at: 🔗 View Staging Site This preview will be updated automatically when you push new commits to this PR. This comment is automatically updated by the documentation staging workflow. |
This was referenced Apr 15, 2026
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Update libpng from 1.6.54 to 1.6.57 to fix critical security vulnerabilities:
Analysis: Patch-level update (1.6.54 → 1.6.57). No BUILD.gn changes needed. No breaking API changes. All 20 BUILD.gn source files verified present.
Changes:
Required skia PR: mono/skia#182