CVE-2020-27153
HIGH8.6EPSS 2.3%bluez - security update
Published: 10/15/2020Modified: 4/28/2026
Description
In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.
Affected packages (3)
- Alpine/bluezfrom 0, < 5.50-r5
- Debian/bluezfrom 0, < 5.55-1
- Debian/bluezfrom 0, < 5.43-2+deb9u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |