{"id":"UBUNTU-CVE-2016-2196","details":"Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors.","modified":"2025-07-16T07:34:12.023625Z","published":"2016-05-13T14:59:00Z","withdrawn":"2025-07-18T16:43:25Z","upstream":["CVE-2016-2196"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-2196"},{"type":"REPORT","url":"http://botan.randombit.net/security.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-2196"}],"affected":[{"package":{"name":"botan1.10","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/botan1.10@1.10.5-1ubuntu1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5-1ubuntu1"}]}],"versions":["1.10.5-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.10.5-1ubuntu1","binary_name":"botan1.10-dbg"},{"binary_name":"libbotan-1.10-0","binary_version":"1.10.5-1ubuntu1"},{"binary_name":"libbotan1.10-dev","binary_version":"1.10.5-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2196.json"}},{"package":{"name":"botan1.10","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/botan1.10@1.10.12-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.12-1"}]}],"versions":["1.10.10-6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"botan1.10-dbg","binary_version":"1.10.12-1"},{"binary_name":"libbotan-1.10-1","binary_version":"1.10.12-1"},{"binary_name":"libbotan-1.10-1-dbgsym","binary_version":"1.10.12-1"},{"binary_name":"libbotan1.10-dev","binary_version":"1.10.12-1"},{"binary_name":"libbotan1.10-dev-dbgsym","binary_version":"1.10.12-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2196.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:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}