{"id":"CVE-2022-46392","aliases":["AZL-12968","DEBIAN-CVE-2022-46392","DLA-4236-1","EUVD-2022-49201","GHSA-2cww-m3rc-2vgr","JLSEC-2025-219","UBUNTU-CVE-2022-46392"],"status":"published","title":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access...","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00854,"percentile":0.58749,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203"],"published":"2022-12-15T00:00:00Z","modified":"2026-11-03T08:04:12Z","fixes":[{"ecosystem":"Azure Linux:2","package":"fluent-bit","fixed_in":["2.0.9-1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"mbedtls","fixed_in":["2.28.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mbedtls","fixed_in":["2.28.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mbedtls","fixed_in":["2.28.2-1"],"sources":["osv"]},{"ecosystem":"Julia","package":"MbedTLS_jll","fixed_in":["2.28.2+0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:2","package":"fluent-bit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.9-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.2-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.9-0.1+deb11u1"}]}],"versions":["2.16.9-0.1"],"bundled":5},{"source":"osv","ecosystem":"Julia","package":"MbedTLS_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.28.2+0"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-1","2.2.0-1","2.2.1-1","2.2.1-2","2.2.1-2ubuntu0.1","2.2.1-2ubuntu0.2","2.2.1-2ubuntu0.3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.1-1ubuntu1","2.6.0-1","2.7.0-2","2.8.0-1","2.8.0-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.16.2-1","2.16.3-1","2.16.4-1ubuntu2","2.16.4-1ubuntu2+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.16.9-0.1ubuntu1","2.16.11-0.1ubuntu1","2.16.11-0.3","2.28.0-1","2.28.0-1build1","2.28.0-1ubuntu0.1~esm1"]}],"products":[{"vendor":"arm","product":"mbed_tls"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"trustedfirmware","product":"mbed_tls"}],"references":[{"url":"https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0","tags":["x_transferred","Release Notes","Third Party Advisory","web","report"]},{"url":"https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2","tags":["x_transferred","Release Notes","Third Party Advisory","web","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL/","tags":["vendor-advisory","x_transferred","advisory","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB/","tags":["vendor-advisory","x_transferred","advisory","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-46392","tags":["web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB"},{"url":"https://github.com/advisories/GHSA-2cww-m3rc-2vgr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/46xxx/CVE-2022-46392.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-46392","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-46392","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-46392","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-46392","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","status":"published","published":"2022-12-15T00:00:00Z","modified":"2025-11-03T19:27:43.064Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:34:31.840191Z"}],"euvd":[{"id":"EUVD-2022-49201","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","status":"published","published":"2022-12-15T00:00:00Z","modified":"2025-11-03T19:27:43Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:34.152725Z"}],"ghsa":[{"id":"GHSA-2cww-m3rc-2vgr","title":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access...","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","status":"published","published":"2022-12-16T00:30:44Z","modified":"2025-11-03T21:30:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T15:04:18.176646Z"}],"nvd":[{"id":"CVE-2022-46392","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","status":"published","published":"2022-12-15T23:15:10.513Z","modified":"2026-06-17T05:11:40.733Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:07:34.031641Z"}],"osv":[{"id":"AZL-12968","title":"CVE-2022-46392 affecting package fluent-bit for versions less than 2.0.9-1","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","status":"published","published":"2022-12-15T23:15:10Z","modified":"2026-04-21T04:22:29.471134Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:02.666535Z"},{"id":"CVE-2022-46392","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","status":"published","published":"2022-12-15T00:00:00Z","modified":"2026-10-28T02:31:00.743534254Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:27.481647Z"},{"id":"DEBIAN-CVE-2022-46392","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","status":"published","published":"2022-12-15T23:15:10.513Z","modified":"2026-11-03T08:04:12.24369635Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T08:23:07.763774Z"},{"id":"JLSEC-2025-219","title":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (`MBEDTLS_MPI_WINDOW_SIZE`) used for the exponentiation is 3 or smaller.","status":"published","published":"2025-11-21T15:59:04.054Z","modified":"2026-07-23T22:30:21.621297126Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:47:17.805107Z"},{"id":"UBUNTU-CVE-2022-46392","description":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","status":"published","published":"2022-12-15T23:15:00Z","modified":"2026-04-22T13:31:37.813208Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:53:56.473586Z"},{"id":"DLA-4236-1","title":"mbedtls - security update","status":"published","published":"2025-06-30T00:00:00Z","modified":"2026-03-09T02:10:22.793566Z","updated_at":"2026-11-02T15:46:12.7027Z"}]}}