It was discovered that libsndfile was incorrectly performing memory management operations and incorrectly using buffers when executing its FLAC codec. If a user or automated system were tricked into processing a specially crafted sound file, an attacker could possibly use this issue to cause a denial of service or obtain sensitive information.
{
"binaries": [
{
"binary_name": "libsndfile1",
"binary_version": "1.0.25-10ubuntu0.16.04.3+esm2"
},
{
"binary_name": "libsndfile1-dev",
"binary_version": "1.0.25-10ubuntu0.16.04.3+esm2"
},
{
"binary_name": "sndfile-programs",
"binary_version": "1.0.25-10ubuntu0.16.04.3+esm2"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5409-1.json"
{
"cves": [
{
"id": "CVE-2021-4156",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}