Buffer overflow in Zephyrproject Zephyr
CVE-2023-4259
Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.
Vulnerability class: Buffer Overflow
EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Zephyrproject Zephyr
- Zephyrproject-rtos Zephyr — versions 1.14
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vulnerabilities@zephyrproject.org (Exploit, Vendor Advisory)
- vulnerabilities@zephyrproject.org (Mailing List)
- vulnerabilities@zephyrproject.org (Mailing List, Third Party Advisory)
- vulnerabilities@zephyrproject.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4259?
- CVE-2023-4259 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.1/10. Published 2023-09-26.
- How severe is CVE-2023-4259?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2023-4259 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.