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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 20, 2026, 6 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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258591 5 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-2010-1310 2010-09-27 16:16 2010-03-22 Show GitHub Exploit DB Packet Storm
258592 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-2010-0653 2010-09-27 16:16 2010-02-18 Show GitHub Exploit DB Packet Storm
258593 10 危険 Opera Software ASA - Opera における脆弱性 CWE-noinfo
情報不足 		CVE-2009-4072 2010-09-27 16:16 2009-11-23 Show GitHub Exploit DB Packet Storm
258594 5.8 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-16
環境設定 		CVE-2009-4071 2010-09-27 16:16 2009-11-24 Show GitHub Exploit DB Packet Storm
258595 5.8 警告 Opera Software ASA - Windows 上で稼働する Opera におけるアドレスフィールドを偽装される脆弱性 CWE-20
不適切な入力確認 		CVE-2009-3832 2010-09-27 16:16 2009-10-28 Show GitHub Exploit DB Packet Storm
258596 5 警告 Opera Software ASA - Opera におけるフィッシング攻撃の脆弱性 CWE-Other
その他 		CVE-2009-3049 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
258597 4.3 警告 Opera Software ASA - Opera における意図しないファイルをアップロードさせられる脆弱性 CWE-20
不適切な入力確認 		CVE-2009-3048 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
258598 4.3 警告 Opera Software ASA - Opera における URL を偽装される脆弱性 CWE-Other
その他 		CVE-2009-3047 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
258599 5 警告 Opera Software ASA - Opera における証明書チェーンの有効性を回避される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2009-3046 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
258600 5 警告 Opera Software ASA - Opera における任意の SSL サーバになりすまされる脆弱性 CWE-310
暗号の問題 		CVE-2009-3045 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 20, 2026, 4:01 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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307501 - opera opera_browser Opera before 11.11 allows user-assisted remote attackers to cause a denial of service (application crash) via a crafted web page that is not properly handled during a reload occurring after the openi… CWE-20
 Improper Input Validation  		CVE-2011-2630 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307502 - opera opera_browser Unspecified vulnerability in Opera before 11.11 allows remote attackers to cause a denial of service (application crash) via unknown content on a web page, as demonstrated by www.falk.de. NVD-CWE-noinfo
CVE-2011-2629 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307503 - opera opera_browser Opera before 11.11 does not properly implement FRAMESET elements, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to page … CWE-20
 Improper Input Validation  		CVE-2011-2628 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307504 - opera opera_browser Unspecified vulnerability in the DOM implementation in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via unknown content on a web page, as demonstrated b… NVD-CWE-noinfo
CVE-2011-2627 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307505 - opera opera_browser Opera before 11.50 allows remote attackers to cause a denial of service (application crash) by using "injected script" to set the SRC attribute of an IFRAME element. CWE-399
 Resource Management Errors 		CVE-2011-2626 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307506 - opera opera_browser Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via a SELECT element that contains many OPTION elements. CWE-399
 Resource Management Errors 		CVE-2011-2625 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307507 - opera opera_browser Opera before 11.50 allows user-assisted remote attackers to cause a denial of service (application hang) via a large table, which is not properly handled during a print preview. CWE-399
 Resource Management Errors 		CVE-2011-2624 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307508 - opera opera_browser Unspecified vulnerability in the SVG BiDi implementation in Opera before 11.50 allows remote attackers to cause a denial of service (application crash or hang) via unknown vectors. NVD-CWE-noinfo
CVE-2011-2623 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307509 - opera opera_browser Unspecified vulnerability in the Web Workers implementation in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via unknown vectors. NVD-CWE-noinfo
CVE-2011-2622 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm
307510 - opera opera_browser Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via vectors related to form layout. NVD-CWE-noinfo
CVE-2011-2621 2024-11-21 10:28 2011-07-1 Show GitHub Exploit DB Packet Storm