Multiple memory safety issues were fixed in Spidermonkey. An attacker could potentially exploit these to cause a denial of service, or execute arbitrary code.
{
"binaries": [
{
"binary_version": "52.9.1-0ubuntu0.18.04.1",
"binary_name": "libmozjs-52-0"
},
{
"binary_version": "52.9.1-0ubuntu0.18.04.1",
"binary_name": "libmozjs-52-dev"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3749-1.json"
{
"cves": [
{
"id": "CVE-2018-5188",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}