Commit d201becf authored by Michael Niedermayer's avatar Michael Niedermayer

avcodec/shorten: Check skip_bytes()

Fixes CID1210526
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent c347f75d
......@@ -370,6 +370,11 @@ static int read_header(ShortenContext *s)
s->nmean = get_uint(s, 0);
skip_bytes = get_uint(s, NSKIPSIZE);
if ((unsigned)skip_bytes > get_bits_left(&s->gb)/8) {
av_log(s->avctx, AV_LOG_ERROR, "invalid skip_bytes: %d\n", skip_bytes);
return AVERROR_INVALIDDATA;
}
for (i = 0; i < skip_bytes; i++)
skip_bits(&s->gb, 8);
}
......
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