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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>
(cherry picked from commit 3859868c75313e318ebc5d0d33baada62d45dd75)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-06 04:29:10 +01:00
parent 134ff88c6a
commit 0787163cf3
1 changed files with 1 additions and 1 deletions
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2
libavformat/mov.c
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@ -358,7 +358,7 @@ 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;
str_size = FFMIN3(sizeof(str)-1, str_size, atom.size);