What’s Vulnerable › Vulnerabilities
CVE-2023-4259: Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-09-26 · updated 2026-06-17
- Weakness: CWE-120
Description
Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.
Affected products
- zephyrproject zephyr: through 3.4.0
References
- http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
- http://seclists.org/fulldisclosure/2023/Nov/1
- http://www.openwall.com/lists/oss-security/2023/11/07/1
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gghm-c696-f4j4
- http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
- http://seclists.org/fulldisclosure/2023/Nov/1
- http://www.openwall.com/lists/oss-security/2023/11/07/1
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gghm-c696-f4j4
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