CVE-2023-5139
Potential buffer overflow vulnerability in the Zephyr STM32 Crypto driver
Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Potential buffer overflow vulnerability in the Zephyr STM32 Crypto driver
Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver
- Record
CVE-2023-5139- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2023-57477
Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver
- Record
EUVD-2023-57477- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - Updated
- 2026-11-03
NVD
Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver
- Record
CVE-2023-5139- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSV
Potential buffer overflow vulnerability in the Zephyr STM32 Crypto driver
Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver
- Record
CVE-2023-5139- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-120
- 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-2023-5139 is a medium vulnerability (CVSS 4.4) in Zephyrproject Zephyr, published October 26, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.
References
github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rhrc-pcxp-4453
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-2023-5139