http://optipng.sourceforge.net/
https://github.com/Frank-Z7/z-vulnerabilitys/blob/main/optipng-global-buffer-overflow1/optipng-global-buffer-overflow1.md
https://sourceforge.net/projects/optipng/files/OptiPNG/optipng-0.7.7/optipng-0.7.7.tar.gz/download?use_mirror=udomain&download =
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