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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
Search keywords must be entered in English otherwise will not be searched in both JVN and NVD.

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 11, 2026, 6:01 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
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253991 10 危険 Opera Software ASA - Opera における脆弱性 CWE-noinfo
情報不足 		CVE-2009-0916 2010-09-27 16:08 2009-03-3 Show GitHub Exploit DB Packet Storm
253992 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
253993 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
253994 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
253995 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
253996 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
253997 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
253998 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
253999 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
254000 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
NVD Vulnerability Information

Update Date:May 12, 2026, 5:06 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
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317201 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-42739. Reason: This candidate is a reservation duplicate of CVE-2021-42739. Notes: All CVE users should reference CVE-2021-4273… - CVE-2021-3542 2023-11-7 12:38 2021-10-21 Show GitHub Exploit DB Packet Storm
317202 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none - CVE-2021-3755 2023-11-7 12:38 2021-10-18 Show GitHub Exploit DB Packet Storm
317203 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Notes: none - CVE-2021-41071 2023-11-7 12:38 2021-10-13 Show GitHub Exploit DB Packet Storm
317204 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Notes: non - CVE-2021-41070 2023-11-7 12:38 2021-10-13 Show GitHub Exploit DB Packet Storm
317205 9.8 CRITICAL
Network 		- - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none - CVE-2021-41720 2023-11-7 12:38 2021-09-30 Show GitHub Exploit DB Packet Storm
317206 9.8 CRITICAL
Network 		- - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none - CVE-2021-41428 2023-11-7 12:38 2021-09-24 Show GitHub Exploit DB Packet Storm
317207 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none - CVE-2021-41076 2023-11-7 12:38 2021-09-15 Show GitHub Exploit DB Packet Storm
317208 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-38208. Reason: This candidate is a reservation duplicate of CVE-2021-38208. Notes: All CVE users should reference CVE-2021-3820… - CVE-2021-3587 2023-11-7 12:38 2021-08-18 Show GitHub Exploit DB Packet Storm
317209 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Notes: none - CVE-2021-3591 2023-11-7 12:38 2021-08-6 Show GitHub Exploit DB Packet Storm
317210 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Notes: Assigned but a duplicate for CVE-2021-3559 - CVE-2021-3556 2023-11-7 12:38 2021-06-29 Show GitHub Exploit DB Packet Storm