{"id":"CVE-2019-16336","aliases":["EUVD-2019-7114","GHSA-p76r-g8wg-qg8m"],"status":"published","title":"The Bluetooth Low Energy implementation in Cypress PSoC 4 BLE component 3.61 and earlier...","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01492,"percentile":0.74319,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-02-12T17:59:37Z","modified":"2026-06-17T02:22:09Z","products":[{"vendor":"cypress","product":"cybl11573"},{"vendor":"cypress","product":"cyble-416045"}],"references":[{"url":"https://community.cypress.com/thread/48573","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://asset-group.github.io/disclosures/sweyntooth/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.youtube.com/watch?v=Iw8sIBLWE_w","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://community.cypress.com/thread/53680","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16336"},{"url":"https://github.com/advisories/GHSA-p76r-g8wg-qg8m"}],"sources":{"cve":[{"id":"CVE-2019-16336","description":"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.","status":"published","published":"2020-02-12T17:59:37Z","modified":"2024-08-05T01:10:41.667Z","updated_at":"2026-11-02T14:32:23.189113Z"}],"euvd":[{"id":"EUVD-2019-7114","description":"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.","status":"published","published":"2020-02-12T17:59:37Z","modified":"2024-08-05T01:10:41Z","updated_at":"2026-11-03T02:40:33.179924Z"}],"ghsa":[{"id":"GHSA-p76r-g8wg-qg8m","title":"The Bluetooth Low Energy implementation in Cypress PSoC 4 BLE component 3.61 and earlier...","description":"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.","status":"published","published":"2022-05-24T17:08:44Z","modified":"2023-01-29T05:01:40Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:44:53.095202Z"}],"nvd":[{"id":"CVE-2019-16336","description":"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.","status":"published","published":"2020-02-12T18:15:10.393Z","modified":"2026-06-17T02:22:09.123Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:43.875329Z"}]}}