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avformat/mxfdec: Check size to avoid integer overflow in mxf_read_utf16_string()

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fecb3e82a4ba09dc11a51ad0961ab491881a53a1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-10-21 19:45:21 +02:00
parent 9128ef0302
commit bab7d72d46
1 changed files with 1 additions and 1 deletions
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2
libavformat/mxfdec.c
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@ -826,7 +826,7 @@ static inline int mxf_read_utf16_string(AVIOContext *pb, int size, char** str, i
int ret;
size_t buf_size;
if (size < 0)
if (size < 0 || size > INT_MAX/2)
return AVERROR(EINVAL);
buf_size = size + size / 2 + 1;