{"id":"UBUNTU-CVE-2016-7420","details":"Crypto++ (aka cryptopp) through 5.6.4 does not document the requirement for a compile-time NDEBUG definition disabling the many assert calls that are unintended in production use, which might allow context-dependent attackers to obtain sensitive information by leveraging access to process memory after an assertion failure, as demonstrated by reading a core dump.","modified":"2026-04-22T10:56:20.926952Z","published":"2016-09-16T05:59:00Z","upstream":["CVE-2016-7420"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7420"},{"type":"REPORT","url":"https://github.com/weidai11/cryptopp/issues/277"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/09/15/12"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/09/16/1"},{"type":"REPORT","url":"https://github.com/weidai11/cryptopp/commit/553049ba297d89d9e8fbf2204acb40a8a53f5cd6"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-7420"}],"affected":[{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libcrypto++@5.6.1-6+deb8u3ubuntu0.1~esm1?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.1-6","5.6.1-6+deb8u1build0.14.04.1","5.6.1-6+deb8u3build0.14.04.1","5.6.1-6+deb8u3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"5.6.1-6+deb8u3ubuntu0.1~esm1"},{"binary_name":"libcrypto++9","binary_version":"5.6.1-6+deb8u3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7420.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libcrypto++@5.6.1-9ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.1-8","5.6.1-9","5.6.1-9ubuntu0.1","5.6.1-9ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"5.6.1-9ubuntu0.1+esm1"},{"binary_name":"libcrypto++9v5","binary_version":"5.6.1-9ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7420.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcrypto++@5.6.4-8?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.4-8"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"5.6.4-8"},{"binary_version":"5.6.4-8","binary_name":"libcrypto++6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7420.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"negligible"}]}