{"id":"CVE-2020-9876","aliases":["EUVD-2020-30655","GHSA-r5xx-rrgx-p246"],"status":"published","title":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in...","description":"An out-of-bounds write issue 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, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01951,"percentile":0.80402,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-10-22T17:58:31Z","modified":"2026-06-17T03:28:43Z","products":[{"vendor":"apple","product":"icloud"},{"vendor":"apple","product":"icloud for windows"},{"vendor":"apple","product":"icloud for windows (legacy)"},{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"itunes"},{"vendor":"apple","product":"itunes for windows"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/kb/HT211843","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211850","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211844","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"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://support.apple.com/kb/HT211291","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211293","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211294","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211295","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211931","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211952","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2020/Nov/19","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2020/Nov/20","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2020/Nov/22","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://support.apple.com/kb/HT211935","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2020/Dec/32","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9876"},{"url":"https://github.com/advisories/GHSA-r5xx-rrgx-p246"}],"sources":{"cve":[{"id":"CVE-2020-9876","description":"An out-of-bounds write issue 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, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.","status":"published","published":"2020-10-22T17:58:31Z","modified":"2024-08-04T10:43:05.452Z","updated_at":"2026-11-02T14:35:49.538427Z"}],"euvd":[{"id":"EUVD-2020-30655","description":"An out-of-bounds write issue 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, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.","status":"published","published":"2020-10-22T17:58:31Z","modified":"2024-08-04T10:43:05Z","updated_at":"2026-11-03T03:07:52.605769Z"}],"ghsa":[{"id":"GHSA-r5xx-rrgx-p246","title":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in...","description":"An out-of-bounds write issue 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, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.","status":"published","published":"2022-05-24T17:32:05Z","modified":"2023-02-03T05:02:17Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:08.758434Z"}],"nvd":[{"id":"CVE-2020-9876","description":"An out-of-bounds write issue 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, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.","status":"published","published":"2020-10-22T18:15:14.69Z","modified":"2026-06-17T03:28:43.653Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:20.704992Z"}]}}