diff --git a/libavformat/isom.c b/libavformat/isom.c index 0a4d901be5..4358dc4a6a 100644 --- a/libavformat/isom.c +++ b/libavformat/isom.c @@ -534,6 +534,10 @@ FF_ENABLE_DEPRECATION_WARNINGS len = ff_mp4_read_descr(fc, pb, &tag); if (tag == MP4DecSpecificDescrTag) { av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len); + /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined + for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */ + if (object_type_id == 0x69 || object_type_id == 0x6b) + return 0; if (!len || (uint64_t)len > (1<<30)) return AVERROR_INVALIDDATA; if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)