{"id":"CVE-2016-7438","aliases":["DEBIAN-CVE-2016-7438","EUVD-2016-8291","GHSA-mx7m-rr36-mf2q","UBUNTU-CVE-2016-7438"],"status":"published","title":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier...","description":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00368,"percentile":0.30852,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-310"],"published":"2016-12-13T16:00:00Z","modified":"2026-10-24T10:30:57Z","fixes":[{"ecosystem":"Debian:12","package":"wolfssl","fixed_in":["3.9.10+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wolfssl","fixed_in":["3.9.10+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.10+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.10+dfsg-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.8+dfsg-1"]}],"products":[{"vendor":"wolfssl","product":"wolfssl"}],"references":[{"url":"https://wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"http://www.securityfocus.com/bid/95066","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7438"},{"url":"https://github.com/advisories/GHSA-mx7m-rr36-mf2q"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-7438","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-7438","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-7438","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-7438","description":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","status":"published","published":"2016-12-13T16:00:00Z","modified":"2024-08-06T01:57:47.643Z","updated_at":"2026-11-02T14:33:36.483151Z"}],"euvd":[{"id":"EUVD-2016-8291","description":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","status":"published","published":"2016-12-13T16:00:00Z","modified":"2024-08-06T01:57:47Z","updated_at":"2026-11-03T02:22:32.939633Z"}],"ghsa":[{"id":"GHSA-mx7m-rr36-mf2q","title":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier...","description":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","status":"published","published":"2022-05-17T03:15:19Z","modified":"2023-01-27T05:07:01Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:43:02.280319Z"}],"nvd":[{"id":"CVE-2016-7438","description":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","status":"published","published":"2016-12-13T16:59:07.563Z","modified":"2026-06-17T00:53:04.25Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:03:32.79141Z"}],"osv":[{"id":"CVE-2016-7438","description":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","status":"published","published":"2016-12-13T16:59:07.563Z","modified":"2026-10-24T10:30:57.644728761Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:02.776224Z"},{"id":"DEBIAN-CVE-2016-7438","description":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","status":"published","published":"2016-12-13T16:59:07.563Z","modified":"2026-09-22T07:00:34.743790226Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:27.910042Z"},{"id":"UBUNTU-CVE-2016-7438","description":"The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","status":"published","published":"2016-12-13T16:59:00Z","modified":"2026-04-22T10:57:07.042165Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:12.994319Z"}]}}