{"id":"CVE-2019-8516","aliases":["EUVD-2019-17906","GHSA-cgfv-6vmq-3wfg"],"status":"published","title":"A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS...","description":"A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. Processing a maliciously crafted string may lead to a denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01836,"percentile":0.79088,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-12-18T17:33:16Z","modified":"2026-06-17T02:42:04Z","products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/HT209599","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT209601","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT209600","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT209602","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8516"},{"url":"https://github.com/advisories/GHSA-cgfv-6vmq-3wfg"}],"sources":{"cve":[{"id":"CVE-2019-8516","description":"A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. Processing a maliciously crafted string may lead to a denial of service.","status":"published","published":"2019-12-18T17:33:16Z","modified":"2024-08-04T21:17:31.573Z","updated_at":"2026-11-02T14:20:21.703364Z"}],"euvd":[{"id":"EUVD-2019-17906","description":"A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. Processing a maliciously crafted string may lead to a denial of service.","status":"published","published":"2019-12-18T17:33:16Z","modified":"2024-08-04T21:17:31Z","updated_at":"2026-11-03T03:06:42.550766Z"}],"ghsa":[{"id":"GHSA-cgfv-6vmq-3wfg","title":"A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS...","description":"A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. Processing a maliciously crafted string may lead to a denial of service.","status":"published","published":"2022-05-24T17:04:10Z","modified":"2023-01-29T05:00:46Z","updated_at":"2026-11-02T14:44:39.8002Z"}],"nvd":[{"id":"CVE-2019-8516","description":"A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. Processing a maliciously crafted string may lead to a denial of service.","status":"published","published":"2019-12-18T18:15:23.567Z","modified":"2026-06-17T02:42:04.21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/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-20"],"updated_at":"2026-11-02T14:05:40.258829Z"}]}}