{"id":"CVE-2024-30166","details":"In Mbed TLS 3.3.0 through 3.5.2 before 3.6.0, a malicious client can cause information disclosure or a denial of service because of a stack buffer over-read (of less than 256 bytes) in a TLS 1.3 server via a TLS 3.1 ClientHello.","modified":"2026-05-18T05:58:50.253778890Z","published":"2024-04-03T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/30xxx/CVE-2024-30166.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.6.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/30xxx/CVE-2024-30166.json"},{"type":"ADVISORY","url":"https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-30166"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mbed-tls/mbedtls","events":[{"introduced":"8c89224991adff88d53cd380f42a2baa36f91454"},{"fixed":"2ca6c285a0dd3f33982dd57299012dacab1ff206"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-30166.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}