{"id":"CVE-2016-6892","aliases":["EUVD-2016-7777","GHSA-vv4h-mqrq-w4h2"],"status":"published","title":"The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a...","description":"The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (free of unallocated memory) via a crafted X.509 certificate.","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":0.01865,"percentile":0.79431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2017-01-05T22:00:00Z","modified":"2026-06-17T00:51:56Z","products":[{"vendor":"matrixssl","product":"matrixssl"}],"references":[{"url":"https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md","tags":["x_refsource_CONFIRM","x_transferred","Patch","Release Notes","Third Party Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/396440","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/93498","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/","tags":["x_refsource_MISC","x_transferred","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6892"},{"url":"http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices"},{"url":"https://github.com/advisories/GHSA-vv4h-mqrq-w4h2"}],"sources":{"cve":[{"id":"CVE-2016-6892","description":"The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (free of unallocated memory) via a crafted X.509 certificate.","status":"published","published":"2017-01-05T22:00:00Z","modified":"2024-08-06T01:43:38.526Z","updated_at":"2026-11-02T14:33:34.815789Z"}],"euvd":[{"id":"EUVD-2016-7777","description":"The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (free of unallocated memory) via a crafted X.509 certificate.","status":"published","published":"2017-01-05T22:00:00Z","modified":"2024-08-06T01:43:38Z","updated_at":"2026-11-03T02:22:35.048987Z"}],"ghsa":[{"id":"GHSA-vv4h-mqrq-w4h2","title":"The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a...","description":"The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (free of unallocated memory) via a crafted X.509 certificate.","status":"published","published":"2022-05-17T03:07:53Z","modified":"2025-04-12T13:09:06Z","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":"2026-11-02T15:01:30.991417Z"}],"nvd":[{"id":"CVE-2016-6892","description":"The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (free of unallocated memory) via a crafted X.509 certificate.","status":"published","published":"2017-01-05T22:59:00.217Z","modified":"2026-06-17T00:51:56.82Z","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"}]}}