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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 26, 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
255851 9.3 危険 Opera Software ASA - Windows および Mac OS X 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-264
認可・権限・アクセス制御 		CVE-2010-2666 2010-09-27 16:20 2010-06-21 Show GitHub Exploit DB Packet Storm
255852 4.3 警告 Opera Software ASA - Opera における URI の処理に関す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-2010-2665 2010-09-27 16:20 2010-06-21 Show GitHub Exploit DB Packet Storm
255853 4.3 警告 Opera Software ASA - Opera の HTML コンテンツにおけるサービス運用妨害 (DoS) の脆弱性 CWE-Other
その他 		CVE-2010-2664 2010-09-27 16:20 2010-07-1 Show GitHub Exploit DB Packet Storm
255854 4.3 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-Other
その他 		CVE-2010-2663 2010-09-27 16:20 2010-07-1 Show GitHub Exploit DB Packet Storm
255855 4.3 警告 Opera Software ASA - Opera におけるポップアップブロッカーを回避される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-2662 2010-09-27 16:20 2010-07-1 Show GitHub Exploit DB Packet Storm
255856 4.3 警告 Opera Software ASA - Opera における重要な情報を取得される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-2661 2010-09-27 16:19 2010-06-21 Show GitHub Exploit DB Packet Storm
255857 4.3 警告 Opera Software ASA - Opera における IDN ドメインになりすまされる脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-2660 2010-09-27 16:19 2010-06-21 Show GitHub Exploit DB Packet Storm
255858 4.3 警告 Opera Software ASA - Opera における重要な情報を取得される脆弱性 CWE-200
情報漏えい 		CVE-2010-2659 2010-09-27 16:19 2010-03-2 Show GitHub Exploit DB Packet Storm
255859 4.3 警告 Opera Software ASA - Opera における任意のファイルのアップロードを誘発させられる脆弱性 CWE-20
不適切な入力確認 		CVE-2010-2658 2010-09-27 16:19 2010-07-1 Show GitHub Exploit DB Packet Storm
255860 9.3 危険 Opera Software ASA - Windows および Mac OS X 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-264
認可・権限・アクセス制御 		CVE-2010-2657 2010-09-27 16:18 2010-07-1 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 26, 2026, 4:05 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
213151 6.5 MEDIUM
Network 		mozilla
opensuse 		firefox
leap 		When "%2F" was present in a manifest URL, Firefox's AppCache behavior may have become confused and allowed a manifest to be served from a subdirectory. This could cause the appcache to be used to ser… CWE-276
Incorrect Default Permissions  		CVE-2020-12415 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213152 6.5 MEDIUM
Network 		mozilla firefox IndexedDB should be cleared when leaving private browsing mode and it is not, the API for WKWebViewConfiguration was being used incorrectly and requires the private instance of this object be deleted… CWE-459
 Incomplete Cleanup 		CVE-2020-12414 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213153 4.3 MEDIUM
Network 		mozilla firefox By navigating a tab using the history API, an attacker could cause the address bar to display the incorrect domain (with the https:// scheme, a blocked port number such as '1', and without a lock ico… NVD-CWE-Other
CVE-2020-12412 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213154 8.8 HIGH
Network 		mozilla firefox Mozilla developers reported memory safety bugs present in Firefox 76. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been expl… CWE-787
 Out-of-bounds Write 		CVE-2020-12411 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213155 8.8 HIGH
Network 		mozilla
canonical 		firefox
firefox_esr
ubuntu_linux 		Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these… CWE-787
 Out-of-bounds Write 		CVE-2020-12410 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213156 8.8 HIGH
Network 		mozilla firefox When using certain blank characters in a URL, they where incorrectly rendered as spaces instead of an encoded URL. This vulnerability affects Firefox < 77. NVD-CWE-Other
CVE-2020-12409 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213157 6.5 MEDIUM
Network 		mozilla firefox When browsing a document hosted on an IP address, an attacker could insert certain characters to flip domain and path information in the address bar. This vulnerability affects Firefox < 77. NVD-CWE-noinfo
CVE-2020-12408 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213158 6.5 MEDIUM
Network 		mozilla firefox Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the u… CWE-125
Out-of-bounds Read 		CVE-2020-12407 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213159 8.8 HIGH
Network 		mozilla
canonical 		thunderbird
firefox
firefox_esr
ubuntu_linux 		Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary cod… CWE-345
 Insufficient Verification of Data Authenticity 		CVE-2020-12406 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm
213160 5.3 MEDIUM
Network 		mozilla
canonical 		thunderbird
firefox
firefox_esr
ubuntu_linux 		When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and… CWE-362
CWE-416
Race Condition
 Use After Free 		CVE-2020-12405 2024-11-21 13:59 2020-07-10 Show GitHub Exploit DB Packet Storm