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avformat/mov: take into account the first eight bytes in the keys atom

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Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 3d12ba77d9a4660b2e71889d1c2f99e8f3ade98b)
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James Almer 2024-04-01 23:52:53 -03:00
parent 64a048d4cc
commit 0085da21b4
1 changed files with 1 additions and 0 deletions
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libavformat/mov.c
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@ -5023,6 +5023,7 @@ static int mov_read_keys(MOVContext *c, AVIOContext *pb, MOVAtom atom)
avio_skip(pb, 4);
count = avio_rb32(pb);
atom.size -= 8;
if (count > UINT_MAX / sizeof(*c->meta_keys) - 1) {
av_log(c->fc, AV_LOG_ERROR,
"The 'keys' atom with the invalid key count: %"PRIu32"\n", count);