{"id":"CVE-2019-8663","aliases":["EUVD-2019-18053","GHSA-43m3-5mhm-q5fc"],"status":"published","title":"This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10...","description":"This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.06688,"percentile":0.93952,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2019-12-18T17:33:20Z","modified":"2026-06-17T02:42:20Z","exploits":[{"source":"exploitdb","id":"EDB-47257","title":"NSKeyedUnarchiver - Info Leak in Decoding SGBigUTF8String","type":"dos","platform":"multiple","date":"2019-08-15","verified":true,"url":"https://www.exploit-db.com/exploits/47257"}],"products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/HT210346","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT210348","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8663"},{"url":"https://github.com/advisories/GHSA-43m3-5mhm-q5fc"}],"sources":{"cve":[{"id":"CVE-2019-8663","description":"This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.","status":"published","published":"2019-12-18T17:33:20Z","modified":"2024-08-04T21:24:29.502Z","updated_at":"2026-11-02T14:20:21.703364Z"}],"euvd":[{"id":"EUVD-2019-18053","description":"This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.","status":"published","published":"2019-12-18T17:33:20Z","modified":"2024-08-04T21:24:29Z","updated_at":"2026-11-03T03:06:42.084203Z"}],"ghsa":[{"id":"GHSA-43m3-5mhm-q5fc","title":"This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10...","description":"This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.","status":"published","published":"2022-05-24T17:04:24Z","modified":"2023-01-29T05:00:47Z","updated_at":"2026-11-02T14:44:39.8002Z"}],"nvd":[{"id":"CVE-2019-8663","description":"This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.","status":"published","published":"2019-12-18T18:15:31.913Z","modified":"2026-06-17T02:42:20.16Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:40.856496Z"}]}}