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authorMichael Niedermayer <michaelni@gmx.at>2015-01-06 04:29:10 +0100
committerMichael Niedermayer <michaelni@gmx.at>2015-01-09 17:19:10 +0100
commit25312a427bda360a98c6a38be7af9e5f686c9902 (patch)
tree1533f39f25a0179ed4fd2632204d5bd06c6434d7
parent9143ab0e5a75519c899cae2996d07b3f69bcfb24 (diff)
downloadffmpeg-25312a427bda360a98c6a38be7af9e5f686c9902.tar.gz
avformat/mov: fix integer overflow in mov_read_udta_string()
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>
-rw-r--r--libavformat/mov.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 3a93897a96..11fdcf0194 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -355,7 +355,7 @@ 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_alloc = str_size << 1; // worst-case requirement for output string in case of utf8 coded input