Kushalkhemka/embedding-cve-nvd-dataset huggingface dataset:
CVE ID: CVE-2021-30896 State: PUBLISHED Published: 2021-08-24T18:49:59 Last Updated: 2024-08-03T22:48:13.475Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: A malicious application may be able to read user's gameplay data Description: A logic issue was addressed with improved restrictions. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, tvOS 15.1, watchOS 8.1, macOS Monterey 12.0.1. A malicious application may be able to read user's gameplay data. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212846 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT
https://support.apple.com/en-us/HT212846 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT212876
CVE ID: CVE-2021-30897 State: PUBLISHED Published: 2021-08-24T18:50:00 Last Updated: 2024-08-03T22:48:13.799Z Vendors: Apple Products: macOS Problem Types: A malicious website may exfiltrate data cross-origin Description: An issue existed in the specification for the resource timing API. The specification was updated and the updated specification was implemented. This issue is fixed in macOS Monterey 12.0.1. A malicious website may exfiltrate data cross-origin. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/kb/HT212814 - https://support.apple.com/kb/HT212815 - https://support.apple.com/en-us/HT212869
CVE ID: CVE-2021-30898 State: PUBLISHED Published: 2021-08-24T18:50:02 Last Updated: 2024-08-03T22:48:13.511Z Vendors: Apple Products: iOS and iPadOS Problem Types: A malicious application may be able to access some of the user's Apple ID information, or recent in-app search terms Description: An access issue was addressed with additional sandbox restrictions on third party applications. This issue is fixed in iOS 15 and iPadOS 15. A malicious application may be able to access some of the user's Apple ID information, or recent in-app search terms. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212814
CVE ID: CVE-2021-30899 State: PUBLISHED Published: 2021-08-24T18:50:03 Last Updated: 2024-08-03T22:48:13.756Z Vendors: Apple Products: macOS Problem Types: A malicious application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872
CVE ID: CVE-2021-30900 State: PUBLISHED Published: 2021-08-24T18:50:04.000Z Last Updated: 2025-10-21T23:25:36.697Z Vendors: Apple Products: iOS and iPadOS Problem Types: A malicious application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges. Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://support.apple.com/kb/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.appl
t: References: - https://support.apple.com/kb/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212868
CVE ID: CVE-2021-30901 State: PUBLISHED Published: 2021-08-24T18:50:05 Last Updated: 2024-08-03T22:48:13.805Z Vendors: Apple Products: macOS Problem Types: A malicious application may be able to execute arbitrary code with kernel privileges Description: Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.co
rences: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872
CVE ID: CVE-2021-30902 State: PUBLISHED Published: 2021-08-24T18:50:06 Last Updated: 2024-08-03T22:48:13.816Z Vendors: Apple Products: iOS and iPadOS Problem Types: A local attacker may be able to cause unexpected application termination or arbitrary code execution Description: A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212868
CVE ID: CVE-2021-30903 State: PUBLISHED Published: 2021-08-24T18:50:07 Last Updated: 2024-08-03T22:48:14.134Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: A local attacker may be able to cause unexpected application termination or arbitrary code execution Description: This issue was addressed with improved checks. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/kb/HT212871 - https://support.apple.com/kb/HT212872 - https://support.ap
tainer: References: - https://support.apple.com/kb/HT212871 - https://support.apple.com/kb/HT212872 - https://support.apple.com/kb/HT212876 - https://support.apple.com/kb/HT212874 - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212868
CVE ID: CVE-2021-30904 State: PUBLISHED Published: 2021-08-24T18:50:08 Last Updated: 2024-08-03T22:48:13.297Z Vendors: Apple Products: macOS Problem Types: A user's messages may continue to sync after the user has signed out of iMessage Description: A sync issue was addressed with improved state validation. This issue is fixed in macOS Monterey 12.0.1. A user's messages may continue to sync after the user has signed out of iMessage. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869
CVE ID: CVE-2021-30905 State: PUBLISHED Published: 2021-08-24T18:50:09 Last Updated: 2024-08-03T22:48:13.248Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: Processing a maliciously crafted file may disclose user information Description: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina. Processing a maliciously crafted file may disclose user information. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/kb/HT212807 - https://support.apple.com/kb/HT212872 - https://support.apple.com/en-us/HT2
s: - https://support.apple.com/kb/HT212807 - https://support.apple.com/kb/HT212872 - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT212876 - https://www.zerodayinitiative.com/advisories/ZDI-21-1368/
CVE ID: CVE-2021-30906 State: PUBLISHED Published: 2021-08-24T18:50:10 Last Updated: 2024-08-03T22:48:14.040Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: A local attacker may be able to elevate their privileges Description: This issue was addressed with improved checks. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. A local attacker may be able to elevate their privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/kb/HT212871 - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - h
pport.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT212876
CVE ID: CVE-2021-30907 State: PUBLISHED Published: 2021-08-24T18:50:11 Last Updated: 2024-08-03T22:48:14.054Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: A malicious application may be able to elevate privileges Description: An integer overflow was addressed through improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to elevate privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT2128
- CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212868 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT212876
CVE ID: CVE-2021-30908 State: PUBLISHED Published: 2021-08-24T18:50:12 Last Updated: 2024-08-03T22:48:13.945Z Vendors: Apple Products: macOS Problem Types: A local attacker may be able to view the previous logged-in user’s desktop from the fast user switching screen Description: An authentication issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.1. A local attacker may be able to view the previous logged-in user’s desktop from the fast user switching screen. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212872
CVE ID: CVE-2021-30909 State: PUBLISHED Published: 2021-08-24T18:50:12 Last Updated: 2024-08-03T22:48:14.219Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 -
privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212868 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT212876
CVE ID: CVE-2021-30910 State: PUBLISHED Published: 2021-08-24T18:50:13 Last Updated: 2024-08-03T22:48:13.962Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: Processing a maliciously crafted file may disclose user information Description: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted file may disclose user information. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.appl
References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212876 - https://www.zerodayinitiative.com/advisories/ZDI-21-1369/
CVE ID: CVE-2021-30911 State: PUBLISHED Published: 2021-08-24T18:50:14 Last Updated: 2024-08-03T22:48:13.811Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: Processing a maliciously crafted USD file may disclose memory contents Description: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, iOS 15.1 and iPadOS 15.1, macOS Big Sur 11.6.1. Processing a maliciously crafted USD file may disclose memory contents. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com
ences: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867
CVE ID: CVE-2021-30912 State: PUBLISHED Published: 2021-08-24T18:50:15 Last Updated: 2024-08-03T22:48:13.972Z Vendors: Apple Products: macOS Problem Types: A malicious application may gain access to a user's Keychain items Description: The issue was addressed with improved permissions logic. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may gain access to a user's Keychain items. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872
CVE ID: CVE-2021-30913 State: PUBLISHED Published: 2021-08-24T18:50:16 Last Updated: 2024-08-03T22:48:13.708Z Vendors: Apple Products: macOS Problem Types: An unprivileged application may be able to edit NVRAM variables Description: The issue was addressed with improved permissions logic. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.1. An unprivileged application may be able to edit NVRAM variables. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/kb/HT212871 - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212872
CVE ID: CVE-2021-30914 State: PUBLISHED Published: 2021-08-24T18:50:17 Last Updated: 2024-08-03T22:48:13.766Z Vendors: Apple Products: iOS and iPadOS Problem Types: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1. An application may be able to execute arbitrary code with kernel privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212867
CVE ID: CVE-2021-30915 State: PUBLISHED Published: 2021-08-24T18:50:18 Last Updated: 2024-08-03T22:48:13.812Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: A person with physical access to an iOS device may be able to determine characteristics of a user's password in a secure text entry field Description: A logic issue was addressed with improved state management. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A person with physical access to an iOS device may be able to determine characteristics of a user's password in a secure text entry field. Additional Analyst Notes:
ce may be able to determine characteristics of a user's password in a secure text entry field. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT212876
CVE ID: CVE-2021-30916 State: PUBLISHED Published: 2021-08-24T18:50:19 Last Updated: 2024-08-03T22:48:14.042Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https:
eges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212868 - https://support.apple.com/kb/HT212975 - https://support.apple.com/kb/HT212980 - http://seclists.org/fulldisclosure/2021/Dec/43 - http://seclists.org/fulldisclosure/2021/Dec/44
CVE ID: CVE-2021-30917 State: PUBLISHED Published: 2021-08-24T18:50:20 Last Updated: 2024-08-03T22:48:13.815Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: Processing a maliciously crafted image may lead to arbitrary code execution Description: A memory corruption issue existed in the processing of ICC profiles. This issue was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted image may lead to arbitrary code execution. Additional Analyst Notes: - CVE Program Container: Re
a maliciously crafted image may lead to arbitrary code execution. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212868 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT212876 - http://packetstormsecurity.com/files/165075/Apple-ColorSync-CMMNDimLinear-Interpolate-Uninitialized-Memory.html
CVE ID: CVE-2021-30918 State: PUBLISHED Published: 2021-08-24T18:50:21 Last Updated: 2024-08-03T22:48:13.813Z Vendors: Apple Products: iOS and iPadOS Problem Types: A user may be able to view restricted content from the Lock Screen Description: A Lock Screen issue was addressed with improved state management. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.0.1 and iPadOS 15.0.1. A user may be able to view restricted content from the Lock Screen. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212868 - https://support.apple.com/en-us/HT212866 - https://support.apple.com/kb/HT213183 - http://seclists.org/fulldisclosure/2022/Mar/29
CVE ID: CVE-2021-30919 State: PUBLISHED Published: 2021-08-24T18:50:22 Last Updated: 2024-08-03T22:48:13.930Z Vendors: Apple Products: iOS and iPadOS, macOS Problem Types: Processing a maliciously crafted PDF may lead to arbitrary code execution Description: An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted PDF may lead to arbitrary code execution. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https:
tion. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869 - https://support.apple.com/en-us/HT212871 - https://support.apple.com/en-us/HT212872 - https://support.apple.com/en-us/HT212867 - https://support.apple.com/en-us/HT212868 - https://support.apple.com/en-us/HT212874 - https://support.apple.com/en-us/HT212876 - https://www.zerodayinitiative.com/advisories/ZDI-22-357/
CVE ID: CVE-2021-30920 State: PUBLISHED Published: 2021-08-24T18:50:23 Last Updated: 2024-08-03T22:48:14.080Z Vendors: Apple Products: macOS Problem Types: A local attacker may be able to read sensitive information Description: A permissions issue was addressed with improved validation. This issue is fixed in macOS Monterey 12.0.1. A local attacker may be able to read sensitive information. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212869
CVE ID: CVE-2021-30921 State: PUBLISHED Published: 2021-08-24T18:50:23 Last Updated: 2024-08-03T22:48:14.124Z Vendors: Apple Products: iOS and iPadOS Problem Types: A user's password may be visible onscreen Description: A logic issue was addressed with improved state management. This issue is fixed in iOS 14.5 and iPadOS 14.5. A user's password may be visible onscreen. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212317
CVE ID: CVE-2021-30922 State: PUBLISHED Published: 2021-08-24T18:50:24 Last Updated: 2024-08-03T22:48:13.809Z Vendors: Apple Products: macOS Problem Types: A malicious application may be able to execute arbitrary code with kernel privileges Description: Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/kb/HT212871 - https://support.apple.com/kb/HT212869 - https://support.apple.com/en-us/HT212872
CVE ID: CVE-2021-30923 State: PUBLISHED Published: 2021-08-24T18:50:25 Last Updated: 2024-08-03T22:48:14.017Z Vendors: Apple Products: macOS Problem Types: A malicious application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.0.1. A malicious application may be able to execute arbitrary code with kernel privileges. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/kb/HT212867 - https://support.apple.com/en-us/HT212869
CVE ID: CVE-2021-30924 State: PUBLISHED Published: 2021-08-24T18:50:26 Last Updated: 2024-08-03T22:48:14.032Z Vendors: Apple Products: macOS Problem Types: A remote attacker can cause a device to unexpectedly restart Description: A denial of service issue was addressed with improved state handling. This issue is fixed in macOS Monterey 12.0.1. A remote attacker can cause a device to unexpectedly restart. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/kb/HT212867 - https://support.apple.com/kb/HT212876 - https://support.apple.com/kb/HT212874 - https://support.apple.com/en-us/HT212869
CVE ID: CVE-2021-30925 State: PUBLISHED Published: 2021-08-24T18:50:27 Last Updated: 2024-08-03T22:48:14.128Z Vendors: Apple Products: macOS, watchOS Problem Types: A malicious application may be able to bypass Privacy preferences Description: The issue was addressed with improved permissions logic. This issue is fixed in watchOS 8, macOS Big Sur 11.6, iOS 15 and iPadOS 15. A malicious application may be able to bypass Privacy preferences. Additional Analyst Notes: - CVE Program Container: References: - https://support.apple.com/en-us/HT212804 - https://support.apple.com/en-us/HT212814 - https://support.apple.com/en-us/HT212819