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Code Issues Releases Activity

avformat/mov: Check for duplicate mdcv

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Fixes: memleak
Fixes: 34932/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5456227658235904

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f54d85cee64b98bca5d2bee703f2a266ea75dce7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-06-08 18:14:21 +02:00
parent 79b69b5f4c
commit 7af1a73711
1 changed files with 1 additions and 1 deletions
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2
libavformat/mov.c
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@ -5468,7 +5468,7 @@ static int mov_read_mdcv(MOVContext *c, AVIOContext *pb, MOVAtom atom)
sc = c->fc->streams[c->fc->nb_streams - 1]->priv_data;
if (atom.size < 24) {
if (atom.size < 24 || sc->mastering) {
av_log(c->fc, AV_LOG_ERROR, "Invalid Mastering Display Color Volume box\n");
return AVERROR_INVALIDDATA;
}