CVE-2020-27153
- State
- Published
- Severity
- 8.6 High
- Published
- Oct 15, 2020
- Updated
- Apr 15, 2026
- Reserved
- Oct 15, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.6 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H | CISA-ADP |
Weaknesses
- CWE-415 Double Free
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07
- https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a
- https://bugzilla.redhat.com/show_bug.cgi?id=1884817
- [debian-lts-announce] 20201021 [SECURITY] [DLA 2410-1] bluez security updatemailing-list
- GLSA-202011-01vendor-advisory
- openSUSE-SU-2020:1876vendor-advisory
- openSUSE-SU-2020:1880vendor-advisory
- DSA-4951vendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.