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Consider revising error handling for large chunks #250

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randy408 opened this issue May 15, 2023 · 0 comments
Open

Consider revising error handling for large chunks #250

randy408 opened this issue May 15, 2023 · 0 comments
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API Involves additions and/or changes to the API enhancement New feature or request libpng compat libpng compatibility issue

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@randy408
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libpng has merged a patch from Chromium and included it in the v1.6.39 release, making PNG's over the PNG_USER_CHUNK_MALLOC_MAX limit only a benign error, meaning the image can still be displayed despite excessively large metadata chunks: pnggroup/libpng@33de006

The solution is sketchy, "Though it means we do allow libpng to allocate more than PNG_USER_CHUNK_MALLOC_MAX", a better solution should be chosen for spng.
@randy408 randy408 added enhancement New feature or request API Involves additions and/or changes to the API libpng compat libpng compatibility issue labels May 15, 2023
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API Involves additions and/or changes to the API enhancement New feature or request libpng compat libpng compatibility issue
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