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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":June 4, 2026, 4 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
254491 6.8 警告 アップル
サイバートラスト株式会社
Ruby-lang.org
レッドハット		 - Ruby の BigDecimal クラス内にある VpMemAlloc 関数における任意のコードを実行される脆弱性 CWE-189
数値処理の問題 		CVE-2011-0188 2011-07-28 10:08 2011-03-23 Show GitHub Exploit DB Packet Storm
254492 4.3 警告 アップル
サイバートラスト株式会社
Ruby-lang.org
レッドハット		 - Apple Mac OS X の Ruby WEBrick HTTP サーバ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-2010-0541 2011-07-28 10:06 2010-06-15 Show GitHub Exploit DB Packet Storm
254493 5 警告 サイバートラスト株式会社
Ruby-lang.org
レッドハット		 - Ruby の WEBrick におけるウィンドウのタイトルを変更される脆弱性 CWE-20
不適切な入力確認 		CVE-2009-4492 2011-07-28 10:04 2010-01-13 Show GitHub Exploit DB Packet Storm
254494 2.6 注意 Plone Foundation - Plone 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-2011-1340 2011-07-27 12:02 2011-07-27 Show GitHub Exploit DB Packet Storm
254495 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (アプリケーションクラッシュ) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-2626 2011-07-27 10:35 2011-06-28 Show GitHub Exploit DB Packet Storm
254496 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (アプリケーションクラッシュ) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-2625 2011-07-27 10:34 2011-06-28 Show GitHub Exploit DB Packet Storm
254497 4.3 警告 Opera Software ASA - Opera におけるサービス運用妨害 (アプリケーションハング) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-2624 2011-07-27 10:34 2011-06-28 Show GitHub Exploit DB Packet Storm
254498 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (アプリケーションクラッシュおよびハング) の脆弱性 CWE-noinfo
情報不足 		CVE-2011-2623 2011-07-27 10:33 2011-06-28 Show GitHub Exploit DB Packet Storm
254499 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (アプリケーションクラッシュ) の脆弱性 CWE-noinfo
情報不足 		CVE-2011-2622 2011-07-27 10:32 2011-06-28 Show GitHub Exploit DB Packet Storm
254500 7.2 危険 アップル - Apple iOS の IOMobileFrameBuffer における権限を取得される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2011-0227 2011-07-27 10:31 2011-07-19 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 5, 2026, 4:11 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
208251 7.8 HIGH
Local 		apple tvos
itunes
iphone_os
watchos
icloud
ipados
macos 		A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12… CWE-416
 Use After Free 		CVE-2020-27917 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208252 7.8 HIGH
Local 		apple tvos
iphone_os
watchos
ipados
macos 		An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted au… CWE-787
 Out-of-bounds Write 		CVE-2020-27916 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208253 7.8 HIGH
Local 		apple tvos
itunes
iphone_os
watchos
icloud
ipados
macos 		An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.… CWE-787
 Out-of-bounds Write 		CVE-2020-27912 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208254 7.8 HIGH
Local 		apple tvos
itunes
iphone_os
watchos
icloud
ipados
macos 		An integer overflow was addressed through improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.… CWE-190
 Integer Overflow or Wraparound 		CVE-2020-27911 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208255 7.8 HIGH
Local 		apple tvos
iphone_os
watchos
ipados
macos 		An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted aud… CWE-125
Out-of-bounds Read 		CVE-2020-27910 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208256 7.8 HIGH
Local 		apple tvos
iphone_os
watchos
ipados
macos 		An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted audio file may lead to ar… CWE-125
Out-of-bounds Read 		CVE-2020-27909 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208257 8.8 HIGH
Network 		apple macos Multiple integer overflows were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1. A remote attacker may be able to cause unexpected application termination or hea… CWE-787
CWE-190
 Out-of-bounds Write
 Integer Overflow or Wraparound 		CVE-2020-27906 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208258 7.8 HIGH
Local 		apple tvos
iphone_os
watchos
ipados 		A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. A malicious application may be able to execute arbitra… CWE-787
 Out-of-bounds Write 		CVE-2020-27905 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208259 7.8 HIGH
Local 		apple macos A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to execute arbitrary c… NVD-CWE-Other
CVE-2020-27904 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm
208260 7.8 HIGH
Local 		apple macos This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to gain elevated privileges. NVD-CWE-noinfo
CVE-2020-27903 2024-11-21 14:22 2020-12-9 Show GitHub Exploit DB Packet Storm