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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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231871 9.3 危険 Mozilla Foundation - 複数の Mozilla 製品のブラウザエンジンにおけるサービス運用妨害 (DoS) の脆弱性 CWE-noinfo
情報不足 		CVE-2012-1949 2012-11-19 18:04 2012-07-17 Show GitHub Exploit DB Packet Storm
231872 10 危険 Mozilla Foundation - 複数の Mozilla 製品で使用される Graphite 2 における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2012-3971 2012-11-19 17:30 2012-08-28 Show GitHub Exploit DB Packet Storm
231873 9.3 危険 Mozilla Foundation - Mozilla Firefox におけるクローム特権で任意の JavaScript 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-2012-3965 2012-11-19 17:29 2012-08-28 Show GitHub Exploit DB Packet Storm
231874 3.5 注意 Vanilla Forums - Vanilla Forums にアクセス制限不備の脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2012-4954 2012-11-19 17:00 2012-11-13 Show GitHub Exploit DB Packet Storm
231875 5 警告 Mozilla Foundation - Bugzilla における任意のユーザの保存済み検索に関する重要な情報を取得される脆弱性 CWE-200
情報漏えい 		CVE-2012-5884 2012-11-19 15:12 2012-11-16 Show GitHub Exploit DB Packet Storm
231876 4.3 警告 Mozilla Foundation
Yahoo!		 - Bugzilla で使用される YUI 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-2012-5883 2012-11-19 15:08 2012-11-16 Show GitHub Exploit DB Packet Storm
231877 4.3 警告 Yahoo! - YUI の Flash インフラストラクチャコンポーネント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-2012-5882 2012-11-19 15:08 2012-11-16 Show GitHub Exploit DB Packet Storm
231878 4.3 警告 Yahoo! - YUI の Flash インフラストラクチャコンポーネント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-2012-5881 2012-11-19 15:06 2011-11-16 Show GitHub Exploit DB Packet Storm
231879 4.3 警告 Mozilla Foundation - Bugzilla の template/en/default/bug/field-events.js.tmpl 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-2012-4199 2012-11-19 14:53 2012-11-13 Show GitHub Exploit DB Packet Storm
231880 4 警告 Mozilla Foundation - Bugzilla の Bugzilla/WebService/User.pm におけるプライベートグループ名を見つけられる脆弱性 CWE-200
情報漏えい 		CVE-2012-4198 2012-11-19 14:50 2012-11-13 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
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293291 - opera opera_browser Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via crafted characters in domain names, as demonstrated by "IDNA2008 tests." NVD-CWE-Other
CVE-2012-3565 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293292 - opera opera_browser Opera before 12.00 Beta allows remote attackers to cause a denial of service (application hang) via an absolutely positioned wrap=off TEXTAREA element located next to an "overflow: auto" block elemen… NVD-CWE-noinfo
CVE-2012-3564 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293293 - opera opera_browser Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via a web page that contains invalid character encodings. NVD-CWE-Other
CVE-2012-3563 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293294 - opera opera_browser Opera before 12.00 Beta 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, as demonstrated by … NVD-CWE-Other
CVE-2012-3562 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293295 - opera opera_browser Opera before 11.64 does not properly allocate memory for URL strings, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) vi… CWE-119
Incorrect Access of Indexable Resource ('Range Error')  		CVE-2012-3561 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293296 - opera opera_browser Opera before 11.65 does not ensure that the address field corresponds to the displayed web page during blocked navigation, which makes it easier for remote attackers to conduct spoofing attacks by de… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2012-3560 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293297 - opera opera_browser Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a "moderate severity issue." NVD-CWE-noinfo
CVE-2012-3559 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293298 - opera opera_browser Opera before 11.65 does not ensure that the address field corresponds to the displayed web page during unusually timed changes to this field, which makes it easier for user-assisted remote attackers … CWE-264
Permissions, Privileges, and Access Controls 		CVE-2012-3558 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293299 - opera opera_browser Opera before 11.65 does not properly restrict the reading of JSON strings, which allows remote attackers to perform cross-domain loading of JSON resources and consequently obtain sensitive informatio… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2012-3557 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm
293300 - opera opera_browser Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to condu… CWE-20
 Improper Input Validation  		CVE-2012-3556 2024-11-21 10:41 2012-06-15 Show GitHub Exploit DB Packet Storm