{"api_version":"1","generated_at":"2026-04-23T09:52:24+00:00","cve":"CVE-2019-16910","urls":{"html":"https://cve.report/CVE-2019-16910","api":"https://cve.report/api/cve/CVE-2019-16910.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-16910","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-16910"},"summary":{"title":"CVE-2019-16910","description":"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.)","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2019-09-26 13:15:00","updated_at":"2023-03-03 15:24:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGSKQSGR5SOBRBXDSSPTCDSBB5K3GMPF/","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGSKQSGR5SOBRBXDSSPTCDSBB5K3GMPF/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 29 Update: mbedtls-2.16.3-1.fc29 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-10","name":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-10","refsource":"MISC","tags":["Vendor Advisory"],"title":"Side channel attack on deterministic ECDSA - Tech Updates - Mbed TLS (Previously PolarSSL)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/ARMmbed/mbedtls/commit/33f66ba6fd234114aa37f0209dac031bb2870a9b","name":"https://github.com/ARMmbed/mbedtls/commit/33f66ba6fd234114aa37f0209dac031bb2870a9b","refsource":"MISC","tags":[],"title":"Merge remote-tracking branch 'upstream-restricted/pr/556' into mbedtl… · ARMmbed/mbedtls@33f66ba · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CSFFOROD6IVLADZHNJC2LPDV7FQRP7XB/","name":"FEDORA-2019-07940971b2","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 30 Update: mbedtls-2.16.3-1.fc30 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CGSKQSGR5SOBRBXDSSPTCDSBB5K3GMPF/","name":"FEDORA-2019-89891f3e4a","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 29 Update: mbedtls-2.16.3-1.fc29 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/ARMmbed/mbedtls/commit/298a43a77ec0ed2c19a8c924ddd8571ef3e65dfd","name":"https://github.com/ARMmbed/mbedtls/commit/298a43a77ec0ed2c19a8c924ddd8571ef3e65dfd","refsource":"MISC","tags":[],"title":"Merge remote-tracking branch 'upstream-restricted/pr/549' into mbedtl… · ARMmbed/mbedtls@298a43a · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html","name":"[debian-lts-announce] 20221225 [SECURITY] [DLA 3249-1] mbedtls security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3249-1] mbedtls security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEHHH2DOBXB25CAU3Q6E66X723VAYTB5/","name":"FEDORA-2019-1240f0fe43","refsource":"FEDORA","tags":["Third Party Advisory"],"title":"[SECURITY] Fedora 31 Update: mbedtls-2.16.3-1.fc31 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSFFOROD6IVLADZHNJC2LPDV7FQRP7XB/","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSFFOROD6IVLADZHNJC2LPDV7FQRP7XB/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 30 Update: mbedtls-2.16.3-1.fc30 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEHHH2DOBXB25CAU3Q6E66X723VAYTB5/","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEHHH2DOBXB25CAU3Q6E66X723VAYTB5/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 31 Update: mbedtls-2.16.3-1.fc31 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-16910","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16910","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"arm","cpe5":"mbed_crypto","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"arm","cpe5":"mbed_crypto","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"arm","cpe5":"mbed_tls","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"arm","cpe5":"mbed_tls","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"29","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"30","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"16910","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-16910","qid":"181446","title":"Debian Security Update for mbedtls (DLA 3249-1)"},{"cve":"CVE-2019-16910","qid":"500395","title":"Alpine Linux Security Update for mbedtls"},{"cve":"CVE-2019-16910","qid":"504153","title":"Alpine Linux Security Update for mbedtls"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2019-16910","ASSIGNER":"cve@mitre.org","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"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.)"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a","version_affected":"?"}]}}]}}]}},"references":{"reference_data":[{"url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-10","refsource":"MISC","name":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-10"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEHHH2DOBXB25CAU3Q6E66X723VAYTB5/","refsource":"MISC","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEHHH2DOBXB25CAU3Q6E66X723VAYTB5/"},{"url":"https://github.com/ARMmbed/mbedtls/commit/298a43a77ec0ed2c19a8c924ddd8571ef3e65dfd","refsource":"MISC","name":"https://github.com/ARMmbed/mbedtls/commit/298a43a77ec0ed2c19a8c924ddd8571ef3e65dfd"},{"url":"https://github.com/ARMmbed/mbedtls/commit/33f66ba6fd234114aa37f0209dac031bb2870a9b","refsource":"MISC","name":"https://github.com/ARMmbed/mbedtls/commit/33f66ba6fd234114aa37f0209dac031bb2870a9b"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSFFOROD6IVLADZHNJC2LPDV7FQRP7XB/","refsource":"MISC","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSFFOROD6IVLADZHNJC2LPDV7FQRP7XB/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGSKQSGR5SOBRBXDSSPTCDSBB5K3GMPF/","refsource":"MISC","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGSKQSGR5SOBRBXDSSPTCDSBB5K3GMPF/"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html","refsource":"MISC","name":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"}]}},"nvd":{"publishedDate":"2019-09-26 13:15:00","lastModifiedDate":"2023-03-03 15:24:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.6,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":2.6},"severity":"LOW","exploitabilityScore":4.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:arm:mbed_crypto:*:*:*:*:*:*:*:*","versionEndExcluding":"2.0.0","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*","versionEndExcluding":"2.7.12","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*","versionStartIncluding":"2.8.0","versionEndExcluding":"2.16.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*","versionStartIncluding":"2.17.0","versionEndExcluding":"2.19.0","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"16910","Ordinal":"156674","Title":"CVE-2019-16910","CVE":"CVE-2019-16910","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"16910","Ordinal":"1","NoteData":"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.)","Type":"Description","Title":null},{"CveYear":"2019","CveId":"16910","Ordinal":"2","NoteData":"2019-09-26","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"16910","Ordinal":"3","NoteData":"2019-10-06","Type":"Other","Title":"Modified"}]}}}