{"id":"CVE-2016-6878","aliases":["EUVD-2016-7763","GHSA-rpqv-r42w-hw82"],"status":"published","title":"The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type,...","description":"The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01575,"percentile":0.75614,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2017-04-10T15:00:00Z","modified":"2026-10-24T10:30:57Z","products":[{"vendor":"botan_project","product":"botan"}],"references":[{"url":"https://botan.randombit.net/security.html#id2","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6878"},{"url":"https://github.com/advisories/GHSA-rpqv-r42w-hw82"}],"sources":{"cve":[{"id":"CVE-2016-6878","description":"The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang.","status":"published","published":"2017-04-10T15:00:00Z","modified":"2024-08-06T01:43:38.42Z","updated_at":"2026-11-02T14:33:34.815789Z"}],"euvd":[{"id":"EUVD-2016-7763","description":"The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang.","status":"published","published":"2017-04-10T15:00:00Z","modified":"2024-08-06T01:43:38Z","updated_at":"2026-11-03T02:22:35.048987Z"}],"ghsa":[{"id":"GHSA-rpqv-r42w-hw82","title":"The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type,...","description":"The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang.","status":"published","published":"2022-05-17T02:49:52Z","modified":"2023-01-27T05:05:55Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:42:47.671932Z"}],"nvd":[{"id":"CVE-2016-6878","description":"The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang.","status":"published","published":"2017-04-10T15:59:00.33Z","modified":"2026-06-17T00:51:55.39Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:37.238712Z"}],"osv":[{"id":"CVE-2016-6878","description":"The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang.","status":"published","published":"2017-04-10T15:59:00.33Z","modified":"2026-10-24T10:30:57.616420597Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:02.776224Z"}]}}