CVE-2023-4263
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
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
- High
Exploit likelihood
What each source reports
CVE List Score used
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
- Record
CVE-2023-4263- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120, CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2023-54134
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
- Record
EUVD-2023-54134- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-03
NVD
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
- Record
CVE-2023-4263- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120, CWE-121
- Updated
- 2026-11-02
OSV
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
- Record
CVE-2023-4263- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120, CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-4263 is a high vulnerability (CVSS 7.6) in Zephyrproject Zephyr, published October 13, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. No source names a fixed version.
References
github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rf6q-rhhp-pqhf
openwall.com/lists/oss-security/2023/11/07/1
seclists.org/fulldisclosure/2023/Nov/1
packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
nvd.nist.gov/vuln/detail/CVE-2023-4263