{"id":"CVE-2020-9905","aliases":["EUVD-2020-30684","GHSA-xqfm-73wx-f547"],"status":"published","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6...","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. 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":"2026-11-10","score":0.02575,"percentile":0.8532,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-10-22T18:04:08Z","modified":"2026-06-17T03:28:46Z","products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"tvos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/kb/HT211289","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211288","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211290","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9905"},{"url":"https://github.com/advisories/GHSA-xqfm-73wx-f547"}],"sources":{"cve":[{"id":"CVE-2020-9905","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. A remote attacker may be able to cause a denial of service.","status":"published","published":"2020-10-22T18:04:08Z","modified":"2024-08-04T10:43:05.567Z","updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-30684","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. A remote attacker may be able to cause a denial of service.","status":"published","published":"2020-10-22T18:04:08Z","modified":"2024-08-04T10:43:05Z","updated_at":"2026-11-03T03:07:51.994742Z"}],"ghsa":[{"id":"GHSA-xqfm-73wx-f547","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6...","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. A remote attacker may be able to cause a denial of service.","status":"published","published":"2022-05-24T17:32:07Z","modified":"2023-02-02T05:01:09Z","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-120"],"updated_at":"2026-11-02T14:51:07.576186Z"}],"nvd":[{"id":"CVE-2020-9905","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. A remote attacker may be able to cause a denial of service.","status":"published","published":"2020-10-22T19:15:14.323Z","modified":"2026-06-17T03:28:46.837Z","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":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:20.704992Z"}]}}