png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.Referenceshttps://github.com/glennrp/libpng/issues/269https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
