{"id":"CVE-2019-8527","aliases":["EUVD-2019-17917","GHSA-c4q5-2fgw-8768"],"status":"published","title":"A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2,...","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03242,"percentile":0.88392,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2019-12-18T17:33:17Z","modified":"2026-06-17T02:42:06Z","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-2019-8527"},{"url":"https://github.com/advisories/GHSA-c4q5-2fgw-8768"}],"sources":{"cve":[{"id":"CVE-2019-8527","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2019-12-18T17:33:17Z","modified":"2024-08-04T21:17:31.579Z","updated_at":"2026-11-02T14:20:21.703364Z"}],"euvd":[{"id":"EUVD-2019-17917","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2019-12-18T17:33:17Z","modified":"2024-08-04T21:17:31Z","updated_at":"2026-11-03T03:06:42.550766Z"}],"ghsa":[{"id":"GHSA-c4q5-2fgw-8768","title":"A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2,...","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2022-05-24T17:04:11Z","modified":"2023-01-29T05:00:48Z","updated_at":"2026-11-02T14:44:40.234855Z"}],"nvd":[{"id":"CVE-2019-8527","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2019-12-18T18:15:24.287Z","modified":"2026-06-17T02:42:06.23Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":9.4,"vector":"AV:N/AC:L/Au:N/C:N/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:40.258829Z"}]}}