54549a250b
See http://libpng.sourceforge.net/Advisory-1.2.26.txt for details. Changes since 1.2.26: version 1.2.27beta01 [April 12, 2008] Fixed bug (introduced in libpng-1.0.5h) with handling zero-length unknown chunks. Added more information about png_set_keep_unknown_chunks() to the documetation. Reject tRNS chunk with out-of-range samples instead of masking off the invalid high bits as done in since libpng-1.2.19beta5. version 1.2.27beta02 [April 13, 2008] Revised documentation about unknown chunk and user chunk handling. Keep tRNS chunk with out-of-range samples and issue a png_warning(). version 1.2.27beta03 [April 14, 2008] Added check for NULL ptr in TURBOC version of png_free_default(). Removed several unnecessary checks for NULL before calling png_free(). Revised png_set_tRNS() so that calling it twice removes and invalidates the previous call. Revised pngtest to check for out-of-range tRNS samples. |
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