{"id":"CVE-2016-6885","aliases":["EUVD-2016-7770","GHSA-vxfx-q6cx-2vqm"],"status":"published","title":"The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of...","description":"The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01327,"percentile":0.71178,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2017-01-13T16:00:00Z","modified":"2026-06-17T00:51:56Z","products":[{"vendor":"matrixssl","product":"matrixssl"}],"references":[{"url":"http://www.matrixssl.org/blog/releases/matrixssl_3_8_4","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6885"},{"url":"https://github.com/advisories/GHSA-vxfx-q6cx-2vqm"}],"sources":{"cve":[{"id":"CVE-2016-6885","description":"The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.","status":"published","published":"2017-01-13T16:00:00Z","modified":"2024-08-06T01:43:38.479Z","updated_at":"2026-11-02T14:33:34.443637Z"}],"euvd":[{"id":"EUVD-2016-7770","description":"The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.","status":"published","published":"2017-01-13T16:00:00Z","modified":"2024-08-06T01:43:38Z","updated_at":"2026-11-03T02:22:35.048987Z"}],"ghsa":[{"id":"GHSA-vxfx-q6cx-2vqm","title":"The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of...","description":"The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.","status":"published","published":"2022-05-17T03:05:00Z","modified":"2023-01-27T05:06:09Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:42:50.976174Z"}],"nvd":[{"id":"CVE-2016-6885","description":"The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.","status":"published","published":"2017-01-13T16:59:00.217Z","modified":"2026-06-17T00:51:56.093Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:03:33.686843Z"}]}}