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authorAnton Khirnov <anton@khirnov.net>2016-08-14 10:18:39 +0200
committerAnton Khirnov <anton@khirnov.net>2016-08-18 17:06:46 +0200
commit6755eb5b212384e0599f7f2c5de42df49fff57de (patch)
tree5f62e4d0c6c93bb5e270dbf98be7e3689e91c3f6 /libavcodec/mdct_template.c
parent33f10546ec012ad4e1054b57317885cded7e953e (diff)
downloadffmpeg-6755eb5b212384e0599f7f2c5de42df49fff57de.tar.gz
mss12: validate display dimensions
The code currently reads the coded dimensions from the extradata, but expects the display dimensions to be set by the caller, and does not check that they are compatible (i.e. that the displayed size is smaller than the coded size). Make sure that when the display dimensions are set, they are also valid. Fixes possible invalid memory access. CC: libav-stable@libav.org Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Diffstat (limited to 'libavcodec/mdct_template.c')
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