{"id":"CVE-2023-23524","aliases":["EUVD-2023-27624","GHSA-r596-4r66-j5v5"],"status":"published","title":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in...","description":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in tvOS 16.3.2, iOS 16.3.1 and iPadOS 16.3.1, watchOS 9.3.1, macOS Ventura 13.2.1. Processing a maliciously crafted certificate 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":"2026-11-12","score":0.006,"percentile":0.49218,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2023-02-27T00:00:00Z","modified":"2026-06-17T05:37:20Z","products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/en-us/HT213635","tags":["x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213634","tags":["x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213633","tags":["x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213632","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23524"},{"url":"https://github.com/advisories/GHSA-r596-4r66-j5v5"}],"sources":{"cve":[{"id":"CVE-2023-23524","description":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in tvOS 16.3.2, iOS 16.3.1 and iPadOS 16.3.1, watchOS 9.3.1, macOS Ventura 13.2.1. Processing a maliciously crafted certificate may lead to a denial-of-service.","status":"published","published":"2023-02-27T00:00:00Z","modified":"2025-03-18T15:01:50.984Z","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":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:21.232549Z"}],"euvd":[{"id":"EUVD-2023-27624","description":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in tvOS 16.3.2, iOS 16.3.1 and iPadOS 16.3.1, watchOS 9.3.1, macOS Ventura 13.2.1. Processing a maliciously crafted certificate may lead to a denial-of-service.","status":"published","published":"2023-02-27T00:00:00Z","modified":"2025-03-18T15:01:50Z","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"}],"updated_at":"2026-11-02T20:53:00.464245Z"}],"ghsa":[{"id":"GHSA-r596-4r66-j5v5","title":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in...","description":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in macOS Ventura 13.2.1, iOS 16.3.1 and iPadOS 16.3.1, tvOS 16.3.2, watchOS 9.3.1. Processing a maliciously crafted certificate may lead to a denial-of-service.","status":"published","published":"2023-02-27T21:30:25Z","modified":"2023-03-16T05:06:49Z","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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:54:20.892008Z"}],"nvd":[{"id":"CVE-2023-23524","description":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in tvOS 16.3.2, iOS 16.3.1 and iPadOS 16.3.1, watchOS 9.3.1, macOS Ventura 13.2.1. Processing a maliciously crafted certificate may lead to a denial-of-service.","status":"published","published":"2023-02-27T20:15:14.64Z","modified":"2026-06-17T05:37:20.31Z","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":"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":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:07:47.623983Z"}]}}