{"id":"UBUNTU-CVE-2016-7439","details":"The C software implementation of RSA in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.","modified":"2026-04-22T10:56:49.239670Z","published":"2016-12-13T16:59:00Z","upstream":["CVE-2016-7439"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7439"},{"type":"REPORT","url":"https://wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-7439"}],"affected":[{"package":{"name":"wolfssl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/wolfssl@3.4.8+dfsg-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.8+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.4.8+dfsg-1","binary_name":"libcyassl5"},{"binary_name":"libwolfssl0","binary_version":"3.4.8+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7439.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}