{"id":"UBUNTU-CVE-2012-0884","details":"The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly restrict certain oracle behavior, which makes it easier for context-dependent attackers to decrypt data via a Million Message Attack (MMA) adaptive chosen ciphertext attack.","modified":"2026-02-04T03:55:38.676744Z","published":"2012-03-12T00:00:00Z","related":["USN-1451-1"],"upstream":["CVE-2012-0884"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2012-0884"},{"type":"REPORT","url":"http://www.openssl.org/news/secadv_20120312.txt"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1451-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2012-0884"}],"affected":[{"package":{"name":"openssl098","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/openssl098@0.9.8o-7ubuntu3.2.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.8o-7ubuntu3.2.14.04.1"}]}],"versions":["0.9.8o-7ubuntu3.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libssl0.9.8","binary_version":"0.9.8o-7ubuntu3.2.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-0884.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}