{"id":"CVE-2023-40436","aliases":["EUVD-2023-45007","GHSA-3975-pf2x-843g"],"status":"published","title":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An...","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An attacker may be able to cause unexpected system termination or read kernel memory.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01299,"percentile":0.70806,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2023-09-26T20:12:06Z","modified":"2026-06-17T06:17:49Z","products":[{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT213940","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2023/Oct/3","tags":["x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://support.apple.com/kb/HT213940"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40436"},{"url":"https://github.com/advisories/GHSA-3975-pf2x-843g"}],"sources":{"cve":[{"id":"CVE-2023-40436","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An attacker may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2023-09-26T20:12:06.222Z","modified":"2025-11-04T19:19:30.27Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-45007","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An attacker may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2023-09-26T20:12:06Z","modified":"2025-11-04T19:19:30Z","updated_at":"2026-11-02T19:49:22.434386Z"}],"ghsa":[{"id":"GHSA-3975-pf2x-843g","title":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An...","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An attacker may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2023-09-27T15:30:36Z","modified":"2025-11-04T21:30:41Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:04:35.540979Z"}],"nvd":[{"id":"CVE-2023-40436","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An attacker may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2023-09-27T15:19:15.91Z","modified":"2026-06-17T06:17:49.253Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:08:31.699785Z"}]}}