{"id":"UBUNTU-CVE-2016-1494","details":"The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.","modified":"2025-07-18T16:43:23Z","published":"2016-01-13T15:59:00Z","upstream":["CVE-2016-1494"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-1494"},{"type":"REPORT","url":"https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-1494"}],"affected":[{"package":{"name":"python-rsa","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/python-rsa@3.1.2-1ubuntu0.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.2-1ubuntu0.1"}]}],"versions":["3.1.2-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.1.2-1ubuntu0.1","binary_name":"python-rsa"},{"binary_version":"3.1.2-1ubuntu0.1","binary_name":"python3-rsa"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-1494.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}