CVE-2021-33590
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
- Record
CVE-2021-33590- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
- Record
CVE-2021-33590- Updated
- 2026-11-02
EUVDEUVD-2021-0474 No score
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
- Record
EUVD-2021-0474- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f478-q7jm-p4xj
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
- Record
GHSA-f478-q7jm-p4xj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-125, CWE-787
- Updated
- 2026-11-02
OSV
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
- Record
CVE-2021-33590- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVPYSEC-2021-887
GattLib 0.3-rc1 has a stack-based buffer over-read in get_device_path_from_mac in dbus/gattlib.c.
- Record
PYSEC-2021-887- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| affected, aliases, references | EUVD | |
| first indexed | OSV | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33590 is a critical vulnerability (CVSS 9.8) in Labapart Gattlib, published May 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. No source names a fixed version.