ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Mar 20 02:06:34 2024 +0100| [3c43299e9e642e73b31be7ac7c49700949946e13] | committer: Michael Niedermayer
avformat/mov: Check sample_count and auxiliary_info_default_size to be 0 This combination causes 0 size arrays to be allocated and to leak later Fixes: memleak Fixes: 64342/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-4520993686945792 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3c43299e9e642e73b31be7ac7c49700949946e13 --- libavformat/mov.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index 8d1135270c..f954b924a0 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -6994,6 +6994,9 @@ static int mov_read_saiz(MOVContext *c, AVIOContext *pb, MOVAtom atom) sample_count = avio_rb32(pb); if (encryption_index->auxiliary_info_default_size == 0) { + if (sample_count == 0) + return AVERROR_INVALIDDATA; + encryption_index->auxiliary_info_sizes = av_malloc(sample_count); if (!encryption_index->auxiliary_info_sizes) return AVERROR(ENOMEM); _______________________________________________ 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".
