{"id":"CVE-2019-8774","aliases":["EUVD-2019-18164","GHSA-rgmg-8w65-pm2j"],"status":"published","title":"A resource exhaustion issue was addressed with improved input validation. This issue is fixed in...","description":"A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00614,"percentile":0.49751,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-400"],"published":"2020-10-27T19:50:25Z","modified":"2026-06-17T02:42:35Z","products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipad_os"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT210634","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT210603","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8774"},{"url":"https://github.com/advisories/GHSA-rgmg-8w65-pm2j"}],"sources":{"cve":[{"id":"CVE-2019-8774","description":"A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.","status":"published","published":"2020-10-27T19:50:25Z","modified":"2024-08-04T21:31:37.415Z","updated_at":"2026-11-02T14:20:22.019351Z"}],"euvd":[{"id":"EUVD-2019-18164","description":"A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.","status":"published","published":"2020-10-27T19:50:25Z","modified":"2024-08-04T21:31:37Z","updated_at":"2026-11-03T03:06:40.999783Z"}],"ghsa":[{"id":"GHSA-rgmg-8w65-pm2j","title":"A resource exhaustion issue was addressed with improved input validation. This issue is fixed in...","description":"A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.","status":"published","published":"2022-05-24T17:32:24Z","modified":"2023-01-29T05:05:07Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:45:43.003111Z"}],"nvd":[{"id":"CVE-2019-8774","description":"A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.","status":"published","published":"2020-10-27T20:15:19.36Z","modified":"2026-06-17T02:42:35.197Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-400"],"updated_at":"2026-11-02T14:05:48.502374Z"}]}}