{"id":"CVE-2023-40407","aliases":["EUVD-2023-44978","GHSA-9cch-x9mm-53vw"],"status":"published","title":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A...","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause 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":"2026-11-11","score":0.01732,"percentile":0.77923,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-09-26T20:14:36Z","modified":"2026-06-17T06:17:38Z","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-2023-40407"},{"url":"https://github.com/advisories/GHSA-9cch-x9mm-53vw"}],"sources":{"cve":[{"id":"CVE-2023-40407","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denial-of-service.","status":"published","published":"2023-09-26T20:14:36.095Z","modified":"2025-11-04T19:18:28.056Z","updated_at":"2026-11-02T14:35:21.612665Z"}],"euvd":[{"id":"EUVD-2023-44978","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denial-of-service.","status":"published","published":"2023-09-26T20:14:36Z","modified":"2025-11-04T19:18:28Z","updated_at":"2026-11-02T19:49:22.434386Z"}],"ghsa":[{"id":"GHSA-9cch-x9mm-53vw","title":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A...","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denial-of-service.","status":"published","published":"2023-09-27T15:30:35Z","modified":"2025-11-04T21:30:41Z","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":"2026-11-02T15:04:35.540979Z"}],"nvd":[{"id":"CVE-2023-40407","description":"The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denial-of-service.","status":"published","published":"2023-09-27T15:19:08.597Z","modified":"2026-06-17T06:17:38.493Z","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"}],"updated_at":"2026-11-02T14:08:31.699785Z"}]}}