Fix TIFF color map index bounds#573

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treeform merged 1 commit intomasterfrom

fix/tiff-colormap-index-bounds

Apr 30, 2026

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treeform commented Apr 30, 2026

Fixes #562.

Summary:

Reject TIFF color map indexes equal to colorMap.len before indexing the palette.
Add a regression test with a crafted one-pixel palette TIFF whose pixel value is one past the valid palette range.

Tests:

nim r --hints:off --warnings:off tests\test_tiff.nim
git diff --check


          Fix TIFF color map index bounds

cb66282

treeform merged commit 102464c into master

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