{"id":"USN-3199-1","summary":"Python Crypto vulnerability","details":"It was discovered that the ALGnew function in block_templace.c in the Python\nCryptography Toolkit contained a heap-based buffer overflow vulnerability.\nA remote attacker could use this flaw to execute arbitrary code by using\na crafted initialization vector parameter.\n","modified":"2026-02-10T04:41:05Z","published":"2017-02-16T23:52:07Z","related":["UBUNTU-CVE-2013-7459"],"upstream":["CVE-2013-7459","UBUNTU-CVE-2013-7459"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3199-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2013-7459"}],"affected":[{"package":{"name":"python-crypto","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/python-crypto@2.6.1-4ubuntu0.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-4ubuntu0.1"}]}],"versions":["2.6-5","2.6.1-2","2.6.1-2build1","2.6.1-3","2.6.1-4","2.6.1-4build1"],"ecosystem_specific":{"binaries":[{"binary_name":"python-crypto","binary_version":"2.6.1-4ubuntu0.1"},{"binary_name":"python3-crypto","binary_version":"2.6.1-4ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2013-7459","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3199-1.json"}},{"package":{"name":"python-crypto","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-crypto@2.6.1-6ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-6ubuntu0.16.04.1"}]}],"versions":["2.6.1-5build1","2.6.1-6","2.6.1-6build1"],"ecosystem_specific":{"binaries":[{"binary_name":"python-crypto","binary_version":"2.6.1-6ubuntu0.16.04.1"},{"binary_name":"python3-crypto","binary_version":"2.6.1-6ubuntu0.16.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2013-7459","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3199-1.json"}}],"schema_version":"1.7.3"}