{"id":"CVE-2019-16910","details":"Arm Mbed TLS before 2.19.0 and Arm Mbed Crypto before 2.0.0, when deterministic ECDSA is enabled, use an RNG with insufficient entropy for blinding, which might allow an attacker to recover a private key via side-channel attacks if a victim signs the same message many times. (For Mbed TLS, the fix is also available in versions 2.7.12 and 2.16.3.)","modified":"2026-08-27T03:48:28.290142627Z","published":"2019-09-26T13:15:10.790Z","database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"10.0"},{"last_affected":"10.0"}]},{"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"29"},{"last_affected":"29"},{"introduced":"30"},{"last_affected":"30"},{"introduced":"31"},{"last_affected":"31"}],"source":"CPE_STRING"}]},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGSKQSGR5SOBRBXDSSPTCDSBB5K3GMPF/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSFFOROD6IVLADZHNJC2LPDV7FQRP7XB/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEHHH2DOBXB25CAU3Q6E66X723VAYTB5/"},{"type":"ADVISORY","url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-10"},{"type":"FIX","url":"https://github.com/ARMmbed/mbedtls/commit/298a43a77ec0ed2c19a8c924ddd8571ef3e65dfd"},{"type":"FIX","url":"https://github.com/ARMmbed/mbedtls/commit/33f66ba6fd234114aa37f0209dac031bb2870a9b"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/Mbed-TLS/mbedtls","events":[{"introduced":"0"},{"fixed":"14c6762351395ecf5d1fb141029d6cc349526846"},{"introduced":"8be0e6db41b4a085e90cb03983f99d3a5158d450"},{"fixed":"04a049bda1ceca48060b57bc4bcf5203ce591421"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.7.12"},{"introduced":"2.8.0"},{"fixed":"2.16.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*"}}],"versions":["mbedtls-2.16.2","mbedtls-2.7.11","mbedtls-2.7.9","mbedtls-2.16.0","mbedtls-2.14.0","mbedtls-2.7.8","mbedtls-2.7.7","mbedtls-2.13.1","mbedtls-2.13.0","mbedtls-2.7.6","mbedtls-2.12.0","mbedtls-2.7.5","mbedtls-2.11.0","mbedtls-2.7.4","mbedtls-2.10.0","mbedtls-2.7.0","mbedtls-2.7.3","mbedtls-2.9.0","mbedtls-2.7.2","mbedtls-2.8.0","mbedtls-2.7.2-rc1","mbedtls-2.7.1","mbedtls-2.7.0-rc1","mbedtls-2.6.0","mbedtls-2.6.0-rc1","mbedtls-2.5.1","mbedtls-2.5.0","mbedtls-2.4.0","mbedtls-2.2.1","yotta-2.3.1","mbedtls-2.3.0","mbedtls-2.2.0","mbedos-release-15-11","mbedos-techcon-oob2","mbedtls-2.1.2","mbedtls-2.1.0","mbedtls-2.1.1","beta-oob-2","mbedtls-2.0.0","polarssl-1.3.9","polarssl-1.3.8","polarssl-1.3.7","polarssl-1.3.6","polarssl-1.3.5","polarssl-1.3.4","polarssl-1.3.3","polarssl-1.3.2","polarssl-1.3.1","polarssl-1.3.0","polarssl-1.3.0-rc0","polarssl-1.2.6","polarssl-1.2.5","polarssl-1.2.4","polarssl-1.2.2","polarssl-1.2.1","polarssl-1.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16910.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/armmbed/mbed-crypto","events":[{"introduced":"0"},{"fixed":"92348d1c4931f8c33c2d092928afca556f672c42"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.0.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:arm:mbed_crypto:*:*:*:*:*:*:*:*"}}],"versions":["mbedcrypto-1.1.1","mbedcrypto-1.1.0d2","mbedcrypto-1.1.0","mbedcrypto-1.1.0d1","mbedcrypto-1.1.0d0","mbedcrypto-1.0.0d7","mbedcrypto-1.0.0","mbedcrypto-1.0.0d6","mbedcrypto-1.0.0d5","mbedcrypto-1.0.0d4","mbedcrypto-1.0.0d3","mbedcrypto-1.0.0d2","mbedcrypto-1.0.0d1","mbedcrypto-1.0.0d0","mbedcrypto-0.1.0b2","mbedcrypto-0.1.0b"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16910.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/mbed-tls/mbedtls","events":[{"introduced":"3f8d78411a26e833db18d9fbde0e2f0baeda87f0"},{"fixed":"4197f0e28e15c42e907f873eea292fac31bfa7e6"},{"fixed":"298a43a77ec0ed2c19a8c924ddd8571ef3e65dfd"},{"fixed":"33f66ba6fd234114aa37f0209dac031bb2870a9b"}],"database_specific":{"cpe":"cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.17.0"},{"fixed":"2.19.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16910.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"}]}