{"id":"CVE-2015-6989","aliases":["EUVD-2015-6921","GHSA-2q9r-x2m6-65v7"],"status":"published","title":"Grand Central Dispatch in Apple iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1...","description":"Grand Central Dispatch in Apple iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted package that is mishandled during dispatch calls.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02336,"percentile":0.8369,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2015-10-23T21:00:00Z","modified":"2026-06-17T00:31:43Z","products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT205375","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://lists.apple.com/archives/security-announce/2015/Oct/msg00003.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT205370","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT205378","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1033929","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6989"},{"url":"https://github.com/advisories/GHSA-2q9r-x2m6-65v7"}],"sources":{"cve":[{"id":"CVE-2015-6989","description":"Grand Central Dispatch in Apple iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted package that is mishandled during dispatch calls.","status":"published","published":"2015-10-23T21:00:00Z","modified":"2024-08-06T07:36:35.115Z","updated_at":"2026-11-02T14:35:42.680858Z"}],"euvd":[{"id":"EUVD-2015-6921","description":"Grand Central Dispatch in Apple iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted package that is mishandled during dispatch calls.","status":"published","published":"2015-10-23T21:00:00Z","modified":"2024-08-06T07:36:35Z","updated_at":"2026-11-03T02:21:54.34629Z"}],"ghsa":[{"id":"GHSA-2q9r-x2m6-65v7","title":"Grand Central Dispatch in Apple iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1...","description":"Grand Central Dispatch in Apple iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted package that is mishandled during dispatch calls.","status":"published","published":"2022-05-17T03:15:42Z","modified":"2023-01-27T05:07:22Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:43:06.43436Z"}],"nvd":[{"id":"CVE-2015-6989","description":"Grand Central Dispatch in Apple iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted package that is mishandled during dispatch calls.","status":"published","published":"2015-10-23T21:59:31.09Z","modified":"2026-06-17T00:31:43.18Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:12.30866Z"}]}}