Back
CVE-2023-4264
Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem
High7.1EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- zephyr
Description
Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| zephyrCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Critical9.6 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 35% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (opens in a new tab)All about CWE-120 and its CVEs
- CWE-121 Stack-based Buffer Overflow A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). (opens in a new tab)All about CWE-121 and its CVEs
- CWE-122 Heap-based Buffer Overflow A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). (opens in a new tab)All about CWE-122 and its CVEs
Affected products
- affected ≤ 3.4
References (4)
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rgx6-3w4j-gf5j (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/11/07/1 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Nov/1 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-4264)Record last updated .