Modules
read and write GIF files
Imager::File::GIF versions through 1.002 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files. Imager::File::GIF's i_readgif_multi_low allocates a single per-row buffer GifRow sized for the GIF's global screen width 'SWidth' and reuses it across every image in the file. The page-match branch validates Image.Width + Image.Left > SWidth before each DGifGetLine write, but the parallel skip-image branch at imgif.c:790-805 calls DGifGetLine(GifFile, GifRow, Width) with no such check.
To install Imager::File::GIF, copy and paste the appropriate command in to your terminal.
cpanm Imager::File::GIFperl -MCPAN -e shell
install Imager::File::GIFFor more information on module installation, please visit the detailed CPAN module installation guide.
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