USN-4989-2
- Source
- https://ubuntu.com/security/notices/USN-4989-2
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4989-2.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-4989-2
- Upstream
- Related
- Published
- 2021-06-16T14:17:40Z
- Modified
- 2026-06-03T14:03:45.423662300Z
- Summary
- bluez vulnerabilities
- Details
-
USN-4989-1 fixed several vulnerabilities in BlueZ. This update provides the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that BlueZ incorrectly checked certain permissions when pairing. A local attacker could possibly use this issue to impersonate devices. (CVE-2020-26558)
Jay LV discovered that BlueZ incorrectly handled redundant disconnect MGMT events. A local attacker could use this issue to cause BlueZ to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-27153)
- References
Affected packages
Ubuntu:Pro:16.04:LTS / bluez
Package
- Name
- bluez
- Purl
- pkg:deb/ubuntu/bluez?arch=source&distro=esm-apps%2Fxenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed5.37-0ubuntu5.3+esm1
Ecosystem specific
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libbluetooth3",
"binary_version": "5.37-0ubuntu5.3+esm1"
},
{
"binary_name": "bluez-tests",
"binary_version": "5.37-0ubuntu5.3+esm1"
},
{
"binary_name": "bluez-obexd",
"binary_version": "5.37-0ubuntu5.3+esm1"
},
{
"binary_name": "bluetooth",
"binary_version": "5.37-0ubuntu5.3+esm1"
},
{
"binary_name": "bluez",
"binary_version": "5.37-0ubuntu5.3+esm1"
},
{
"binary_name": "bluez-hcidump",
"binary_version": "5.37-0ubuntu5.3+esm1"
},
{
"binary_name": "bluez-cups",
"binary_version": "5.37-0ubuntu5.3+esm1"
}
]
}