{"id":"CVE-2016-7420","aliases":["DEBIAN-CVE-2016-7420","EUVD-2016-8273","GHSA-xh64-jjg2-744m","MGASA-2016-0333","UBUNTU-CVE-2016-7420"],"status":"published","title":"Crypto++ (aka cryptopp) through 5.6.4 does not document the requirement for a compile-time NDEBUG...","description":"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.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0199,"percentile":0.80787,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2016-09-16T00:00:00Z","modified":"2026-10-20T10:47:52Z","fixes":[{"ecosystem":"Mageia:5","package":"libcryptopp","fixed_in":["5.6.3-1.2.mga5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.7.0+git220824-1","8.8.0-1","8.8.0-2","8.9.0-1","8.9.0-1.1","8.9.0-1.1~exp1","8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Debian:13","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Debian:14","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Mageia:5","package":"libcryptopp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.3-1.2.mga5"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libcrypto++","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libcrypto++","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"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.4-8"]}],"products":[{"vendor":"cryptopp","product":"crypto\\+\\+"}],"references":[{"url":"https://github.com/weidai11/cryptopp/commit/553049ba297d89d9e8fbf2204acb40a8a53f5cd6","tags":["x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"http://www.securityfocus.com/bid/92988","tags":["vdb-entry","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2016/09/16/1","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"https://github.com/weidai11/cryptopp/issues/277","tags":["x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"http://www.openwall.com/lists/oss-security/2016/09/15/12","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory","web","report"]},{"url":"http://www.openwall.com/lists/oss-security/2023/09/28/2","tags":["mailing-list","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2023/09/28/4","tags":["mailing-list","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2025/11/14/5","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7420"},{"url":"https://github.com/advisories/GHSA-xh64-jjg2-744m"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-7420","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2016-0333.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=19381","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-7420","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-7420","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-7420","description":"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.","status":"published","published":"2016-09-16T00:00:00Z","modified":"2025-11-14T20:04:12.033Z","updated_at":"2026-11-02T14:33:36.175943Z"}],"euvd":[{"id":"EUVD-2016-8273","description":"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.","status":"published","published":"2016-09-16T00:00:00Z","modified":"2025-11-14T20:04:12Z","updated_at":"2026-11-02T19:49:16.95916Z"}],"ghsa":[{"id":"GHSA-xh64-jjg2-744m","title":"Crypto++ (aka cryptopp) through 5.6.4 does not document the requirement for a compile-time NDEBUG...","description":"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.","status":"published","published":"2022-05-17T03:38:48Z","modified":"2025-11-14T21:30:27Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:04:48.557805Z"}],"nvd":[{"id":"CVE-2016-7420","description":"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.","status":"published","published":"2016-09-16T05:59:15.427Z","modified":"2026-06-17T00:53:02.063Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:29.893676Z"}],"osv":[{"id":"CVE-2016-7420","description":"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.","status":"published","published":"2016-09-16T05:59:15.427Z","modified":"2026-10-20T10:47:52.317213723Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:02.776224Z"},{"id":"DEBIAN-CVE-2016-7420","description":"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.","status":"published","published":"2016-09-16T05:59:15.427Z","modified":"2026-09-22T07:00:35.630571496Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:27.910042Z"},{"id":"UBUNTU-CVE-2016-7420","description":"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.","status":"published","published":"2016-09-16T05:59:00Z","modified":"2026-04-22T10:56:20.926952Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:12.994319Z"},{"id":"MGASA-2016-0333","title":"Updated libcryptopp packages fix security vulnerability","description":"The libcryptopp package was built with debugging enabled, which could\ncause a crash due to assertions being turned on and could also cause core\nfiles to be generated containing sensitive information (CVE-2016-7420).\n","status":"published","published":"2016-10-04T12:20:54Z","modified":"2026-04-16T06:25:12.187689012Z","updated_at":"2026-11-02T15:49:40.103088Z"}]}}