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CVE-2023-4264

Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem

7.1 High

Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

1.06%Up 1.0 points since Sep 27, 2023
90%50%10%1%

What each source reports

CVE List Score used7.1

Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem

Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.

Record
CVE-2023-4264
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Weakness
CWE-120, CWE-121, CWE-122
Updated
2026-11-02
EUVDEUVD-2023-541357.1

Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.

Record
EUVD-2023-54135
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Updated
2026-11-02
NVD7.1

Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.

Record
CVE-2023-4264
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-120, CWE-121, CWE-122
Updated
2026-11-02
OSV7.1

Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem

Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.

Record
CVE-2023-4264
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Weakness
CWE-120, CWE-121, CWE-122
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-4264 is a high vulnerability (CVSS 7.1) in Zephyrproject Zephyr, published September 26, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 65th percentile. No source names a fixed version.

References

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