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avformat/mov: fix integer overflow in mov_read_udta_string()

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Found-by: Paul Mehta <paul@paulmehta.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-06 04:29:10 +01:00
parent db42d93a61
commit 3859868c75
1 changed files with 1 additions and 1 deletions
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libavformat/mov.c
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@ -375,7 +375,7 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
if (!key)
return 0;
if (atom.size < 0)
if (atom.size < 0 || str_size >= INT_MAX/2)
return AVERROR_INVALIDDATA;
// worst-case requirement for output string in case of utf8 coded input