ffmpeg | branch: release/7.0 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Jun 17 01:08:25 2024 +0200| [ce939aa59aee1867277bd7f38ad35485386a8506] | committer: James Almer
avformat/iamf_parse: consider nb_substreams when accessing substreams array Fixes: out of array access Fixes: 68584/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6256656668229632 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: James Almer <jamr...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit c69e6cccd7e14fc6ee9df179f19e9de2cecba3d8) > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ce939aa59aee1867277bd7f38ad35485386a8506 --- libavformat/iamf_parse.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index 013bf5bba4..98854e564e 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -355,6 +355,9 @@ static int scalable_channel_layout_config(void *s, AVIOContext *pb, substream_count = avio_r8(pb); coupled_substream_count = avio_r8(pb); + if (substream_count + k > audio_element->nb_substreams) + return AVERROR_INVALIDDATA; + audio_element->layers[i].substream_count = substream_count; audio_element->layers[i].coupled_substream_count = coupled_substream_count; if (output_gain_is_present_flag) { _______________________________________________ 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".
