ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Dec 3 17:42:22 2021 +0100| [4846536e678f0295aeec24d178a34f501f062665] | committer: Michael Niedermayer
avformat/mov: Disallow duplicate smdm Fixes: memleak Fixes: 39879/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5327819907923968 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit b5ba74053c1ef9f38d9e7b3a036675f06d2b2714) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4846536e678f0295aeec24d178a34f501f062665 --- libavformat/mov.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index a8279eef35..8b002d64cb 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -5447,6 +5447,9 @@ static int mov_read_smdm(MOVContext *c, AVIOContext *pb, MOVAtom atom) av_log(c->fc, AV_LOG_WARNING, "Unsupported Mastering Display Metadata box version %d\n", version); return 0; } + if (sc->mastering) + return AVERROR_INVALIDDATA; + avio_skip(pb, 3); /* flags */ sc->mastering = av_mastering_display_metadata_alloc(); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
