The Bluetooth Low Energy implementation in Cypress PSoC 4 BLE component 3.61 and earlier…
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
The Bluetooth Low Energy implementation in Cypress PSoC 4 BLE component 3.61 and earlier processes data channel frames with a payload length larger than the configured link layer maximum RX payload size, which allows attackers (in radio range) to cause a denial of service (crash) via a crafted BLE Link Layer frame.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cypress:cyble-416045:*:*:*:*:*:*:*:* | up to 2.10 | Vulnerable | Cypress |
| cpe:2.3:h:cypress:cyble-416045:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cypress |
| cpe:2.3:a:cypress:cybl11573:*:*:*:*:*:*:*:* | up to 3.61 | Vulnerable | Cypress |
| cpe:2.3:h:cypress:cybl11573:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cypress |
- cpe:2.3:a:cypress:cyble-416045:*:*:*:*:*:*:*:* Versions up to 2.10 Vulnerable ·Cypress
- cpe:2.3:h:cypress:cyble-416045:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cypress
- cpe:2.3:a:cypress:cybl11573:*:*:*:*:*:*:*:* Versions up to 3.61 Vulnerable ·Cypress
- cpe:2.3:h:cypress:cybl11573:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cypress
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16336
- 2026-10-03 Alias added: GHSA-p76r-g8wg-qg8m
References
Sources
- CVE-2019-16336 · CVE Program
- CVE-2019-16336 · NVD
- FIRST EPSS
- GHSA-p76r-g8wg-qg8m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences