oggenc in vorbis-tools 1.4.0 allows remote attackers to cause a denial of service (divide-by-zero error and crash) via a WAV file with the number of channels set to zero.
{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "vorbis-tools",
            "binary_version": "1.4.0-7ubuntu1"
        },
        {
            "binary_name": "vorbis-tools-dbg",
            "binary_version": "1.4.0-7ubuntu1"
        },
        {
            "binary_name": "vorbis-tools-dbgsym",
            "binary_version": "1.4.0-7ubuntu1"
        }
    ]
}