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authorXi Wang <xi.wang@gmail.com>2013-01-22 21:40:05 -0500
committerMichael Niedermayer <michaelni@gmx.at>2013-01-23 05:29:59 +0100
commit4e692374f7962ea358c329de38c380103f8991b6 (patch)
treeaf414e7a6330378374eb0036c777998924c19eb6 /libavcodec/synth_filter.h
parent902cfe2f74d777a7dc20ac68f2393b9f84b790c1 (diff)
downloadffmpeg-4e692374f7962ea358c329de38c380103f8991b6.tar.gz
rtmp: fix buffer overflows in ff_amf_tag_contents()
A negative `size' will bypass FFMIN(). In the subsequent memcpy() call, `size' will be considered as a large positive value, leading to a buffer overflow. Change the type of `size' to unsigned int to avoid buffer overflow, and simplify overflow checks accordingly. Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/synth_filter.h')
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