{"id":"CVE-2016-1821","aliases":["EUVD-2016-2916","GHSA-vf47-8m7v-q449"],"status":"published","title":"IOAudioFamily in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a...","description":"IOAudioFamily in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.04745,"percentile":0.91925,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2016-05-20T10:00:00Z","modified":"2026-06-17T00:42:41Z","exploits":[{"source":"exploitdb","id":"EDB-39926","title":"Apple Mac OSX Kernel - Null Pointer Dereference in IOAudioEngine","type":"dos","platform":"osx","date":"2016-06-10","verified":true,"url":"https://www.exploit-db.com/exploits/39926"}],"products":[{"vendor":"apple","product":"mac_os_x"}],"references":[{"url":"https://support.apple.com/HT206567","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=776","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://lists.apple.com/archives/security-announce/2016/May/msg00004.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/90696","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/39926/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1035895","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-1821"},{"url":"https://www.exploit-db.com/exploits/39926"},{"url":"https://github.com/advisories/GHSA-vf47-8m7v-q449"}],"sources":{"cve":[{"id":"CVE-2016-1821","description":"IOAudioFamily in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.","status":"published","published":"2016-05-20T10:00:00Z","modified":"2024-08-05T23:10:38.908Z","updated_at":"2026-11-02T14:33:36.175943Z"}],"euvd":[{"id":"EUVD-2016-2916","description":"IOAudioFamily in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.","status":"published","published":"2016-05-20T10:00:00Z","modified":"2024-08-05T23:10:38Z","updated_at":"2026-11-03T02:22:55.984045Z"}],"ghsa":[{"id":"GHSA-vf47-8m7v-q449","title":"IOAudioFamily in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a...","description":"IOAudioFamily in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.","status":"published","published":"2022-05-17T03:35:09Z","modified":"2025-04-12T13:01:15Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:01:27.480327Z"}],"nvd":[{"id":"CVE-2016-1821","description":"IOAudioFamily in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.","status":"published","published":"2016-05-20T10:59:34.267Z","modified":"2026-06-17T00:42:41.253Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:03:25.366449Z"}]}}