{"id":"CVE-2016-1819","aliases":["EUVD-2016-2914","GHSA-6m5h-2253-23rg"],"status":"published","title":"Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS...","description":"Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1818.","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":"2026-11-08","score":0.04789,"percentile":0.91994,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-416"],"published":"2016-05-20T10:00:00Z","modified":"2026-06-17T00:42:41Z","exploits":[{"source":"exploitdb","id":"EDB-39928","title":"Apple Mac OSX Kernel - Use-After-Free Due to Bad Locking in IOAcceleratorFamily2","type":"dos","platform":"osx","date":"2016-06-10","verified":true,"url":"https://www.exploit-db.com/exploits/39928"}],"products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/HT206567","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/39928/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://lists.apple.com/archives/security-announce/2016/May/msg00004.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Vendor Advisory"]},{"url":"https://support.apple.com/HT206566","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/90694","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://lists.apple.com/archives/security-announce/2016/May/msg00003.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Vendor Advisory"]},{"url":"https://support.apple.com/HT206564","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1035890","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://lists.apple.com/archives/security-announce/2016/May/msg00002.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Vendor Advisory"]},{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=772","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://support.apple.com/HT206568","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://lists.apple.com/archives/security-announce/2016/May/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-1819"},{"url":"https://www.exploit-db.com/exploits/39928"},{"url":"https://github.com/advisories/GHSA-6m5h-2253-23rg"}],"sources":{"cve":[{"id":"CVE-2016-1819","description":"Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1818.","status":"published","published":"2016-05-20T10:00:00Z","modified":"2024-08-05T23:10:39.179Z","updated_at":"2026-11-02T14:33:35.488991Z"}],"euvd":[{"id":"EUVD-2016-2914","description":"Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1818.","status":"published","published":"2016-05-20T10:00:00Z","modified":"2024-08-05T23:10:39Z","updated_at":"2026-11-03T02:22:55.519158Z"}],"ghsa":[{"id":"GHSA-6m5h-2253-23rg","title":"Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS...","description":"Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1818.","status":"published","published":"2022-05-14T01:16:10Z","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"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:01:27.480327Z"}],"nvd":[{"id":"CVE-2016-1819","description":"Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1818.","status":"published","published":"2016-05-20T10:59:32.297Z","modified":"2026-06-17T00:42:41.003Z","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"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:03:25.366449Z"}]}}