Sergey Nizovtsev discovered that tmux incorrectly handled some inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code.
{
"binaries": [
{
"binary_version": "3.0a-2ubuntu0.2",
"binary_name": "tmux"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4618-1.json"
{
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2020-27347"
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}