CVE-2023-5753 json
Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem
published 2023-10-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58038
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hci_core.c
Exploit prediction
1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hmpr-px56-rvww referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- zephyrproject-rtos Zephyr
Classification
References
-
github.com
/zephyrproject-rtos/zephyr/security/advisories/GHSA-hmpr-px56-rvww
exploit, vendor-advisory
-
openwall.com
/lists/oss-security/2023/11/07/1
mailing-list
-
seclists.org
/fulldisclosure/2023/Nov/1
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2023-5753
- NVD CVE-2023-5753
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