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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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To search by CWE, please refer to the CWE Overview and check the CWE number.

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JVN Vulnerability Information

Update Date":May 27, 2026, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
255901 4.3 警告 Opera Software ASA - Windows 上で稼働する Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2008-5428 2010-09-27 16:07 2008-12-11 Show GitHub Exploit DB Packet Storm
255902 4.3 警告 Opera Software ASA - Opera の Opera.dll におけるクロスサイトスクリプティングの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2008-4725 2010-09-27 16:07 2008-10-23 Show GitHub Exploit DB Packet Storm
255903 5.8 警告 Opera Software ASA - Opera における新規フィードの購読を作成される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2008-4698 2010-09-27 16:05 2008-10-23 Show GitHub Exploit DB Packet Storm
255904 10 危険 Opera Software ASA - Windows 上で稼働する Opera における任意のコードを実行される脆弱性 CWE-noinfo
情報不足 		CVE-2008-4293 2010-09-27 16:05 2008-09-27 Show GitHub Exploit DB Packet Storm
255905 10 危険 Opera Software ASA - Opera における CRL の更新時の処理に関する脆弱性 CWE-255
CWE-noinfo
CVE-2008-4292 2010-09-27 16:04 2008-09-27 Show GitHub Exploit DB Packet Storm
255906 6.4 警告 Opera Software ASA - Opera における Web スクリプトを含むページの URL をアドレスフィールドに表示される脆弱性 CWE-20
不適切な入力確認 		CVE-2008-4200 2010-09-27 16:04 2008-09-27 Show GitHub Exploit DB Packet Storm
255907 5 警告 Opera Software ASA - Opera におけるローカルファイル名の有効性を判別される脆弱性 CWE-200
情報漏えい 		CVE-2008-4199 2010-09-27 16:04 2008-09-27 Show GitHub Exploit DB Packet Storm
255908 7.5 危険 Opera Software ASA - Opera における http ページ上で危険な操作を実行させられる脆弱性 CWE-Other
その他 		CVE-2008-4198 2010-09-27 16:03 2008-09-27 Show GitHub Exploit DB Packet Storm
255909 9.3 危険 Opera Software ASA - Opera における任意のコードを実行される脆弱性 CWE-399
リソース管理の問題 		CVE-2008-4197 2010-09-27 16:03 2008-09-27 Show GitHub Exploit DB Packet Storm
255910 4.3 警告 Opera Software ASA - Opera におけるクロスサイトスクリプティングの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2008-4196 2010-09-27 16:02 2008-09-27 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 28, 2026, 4:16 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
196801 5.9 MEDIUM
Network 		apple mac_os_x
macos
iphone_os
tvos
watchos
ipados 		A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macO… CWE-362
Race Condition 		CVE-2021-1884 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196802 5.5 MEDIUM
Local 		apple mac_os_x
macos
iphone_os
tvos
watchos
ipados 		This issue was addressed with improved checks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big S… CWE-787
 Out-of-bounds Write 		CVE-2021-1883 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196803 9.8 CRITICAL
Network 		apple mac_os_x
macos
iphone_os
tvos
watchos
ipados 		A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An ap… CWE-787
 Out-of-bounds Write 		CVE-2021-1882 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196804 7.8 HIGH
Local 		apple mac_os_x
macos
iphone_os
tvos
watchos
ipados 		An out-of-bounds read was addressed with improved input validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, t… CWE-125
Out-of-bounds Read 		CVE-2021-1881 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196805 7.8 HIGH
Local 		apple macos
watchos 		This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution. NVD-CWE-noinfo
CVE-2021-1880 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196806 6.5 MEDIUM
Network 		apple mac_os_x
macos 		An integer overflow was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. An attacker in a privi… CWE-190
 Integer Overflow or Wraparound 		CVE-2021-1878 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196807 5.5 MEDIUM
Local 		apple iphone_os
ipados 		An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory. CWE-125
Out-of-bounds Read 		CVE-2021-1877 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196808 8.8 HIGH
Network 		apple mac_os_x
macos 		A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Processing malicio… CWE-416
 Use After Free 		CVE-2021-1876 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196809 7.8 HIGH
Local 		apple mac_os_x
tvos
iphone_os
macos
ipados
watchos 		A double free issue was addressed with improved memory management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tv… CWE-415
 Double Free 		CVE-2021-1875 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm
196810 8.8 HIGH
Network 		apple iphone_os
ipados 		A logic issue was addressed with improved state management. This issue is fixed in iOS 14.5 and iPadOS 14.5. An application may be able to execute arbitrary code with kernel privileges. NVD-CWE-noinfo
CVE-2021-1874 2024-11-21 14:45 2021-09-9 Show GitHub Exploit DB Packet Storm