It was discovered that libpng incorrectly handled certain memory operations. If a user or automated system were tricked into opening a specially crafted PNG file, a remote attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possibly execute arbitrary code.
{
"binaries": [
{
"binary_version": "1.6.34-1ubuntu0.18.04.2",
"binary_name": "libpng-dev"
},
{
"binary_version": "1.6.34-1ubuntu0.18.04.2",
"binary_name": "libpng-tools"
},
{
"binary_version": "1.6.34-1ubuntu0.18.04.2",
"binary_name": "libpng16-16"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3962-1.json"
{
"cves": [
{
"id": "CVE-2019-7317",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}