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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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JVN Vulnerability Information

Update Date":May 22, 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
256551	9.3	危険	サイバートラスト株式会社 Mozilla Foundation レッドハット	-	複数の Mozilla 製品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-2009-3979	2010-04-1 13:49	2009-12-15	Show	GitHub Exploit DB Packet Storm

256552	4.4	警告	サイバートラスト株式会社 Mozilla Foundation レッドハット	-	Mozilla Firefox におけるダウンロードファイルを置き換えられる脆弱性	CWE-Other その他	CVE-2009-3274	2010-04-1 13:47	2009-09-21	Show	GitHub Exploit DB Packet Storm

256553	9.3	危険	サイバートラスト株式会社 Mozilla Foundation レッドハット	-	Mozilla Firefox/SeaMonkey における意図しないファイルをダウンロードさせられる脆弱性	CWE-16 環境設定	CVE-2009-3376	2010-04-1 13:46	2009-10-27	Show	GitHub Exploit DB Packet Storm

256554	10	危険	サイバートラスト株式会社 Mozilla Foundation レッドハット	-	Mozilla Firefox のブラウザエンジン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-2009-3380	2010-04-1 13:45	2009-10-27	Show	GitHub Exploit DB Packet Storm

256555	10	危険	サイバートラスト株式会社 Mozilla Foundation レッドハット	-	Mozilla Firefox の JavaScript エンジン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-2009-3075	2010-04-1 13:44	2009-09-9	Show	GitHub Exploit DB Packet Storm

256556	10	危険	サイバートラスト株式会社 Mozilla Foundation レッドハット	-	Mozilla Firefox のブラウザエンジン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-2009-3072	2010-04-1 13:43	2009-09-9	Show	GitHub Exploit DB Packet Storm

256557	9.3	危険	サイバートラスト株式会社 Mozilla Foundation レッドハット	-	Mozilla Firefox における任意の PKCS11 モジュールをインストール/削除させる脆弱性	CWE-Other その他	CVE-2009-3076	2010-04-1 13:42	2009-09-9	Show	GitHub Exploit DB Packet Storm

256558	9.3	危険	サイバートラスト株式会社 Mozilla Foundation レッドハット	-	Mozilla Firefox における XUL ツリー要素に関する任意のコードを実行される脆弱性	CWE-94 コード・インジェクション	CVE-2009-3077	2010-04-1 13:41	2009-09-9	Show	GitHub Exploit DB Packet Storm

256559	5	警告	Mozilla Foundation レッドハット	-	Mozilla Firefox におけるドメイン名の処理に関するサービス運用妨害 (DoS) の脆弱性	CWE-20 不適切な入力確認	CVE-2009-2470	2010-04-1 13:40	2009-07-21	Show	GitHub Exploit DB Packet Storm

256560	10	危険	サン・マイクロシステムズサイバートラスト株式会社 Mozilla Foundation レッドハット	-	Mozilla Firefox/Thunderbird の JavaScript エンジン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-2009-2466	2010-04-1 13:38	2009-07-21	Show	GitHub Exploit DB Packet Storm

NVD Vulnerability Information

Update Date:May 23, 2026, 4:08 a.m.

No	CVSS	Level Attach Vector	Vendor Name	Project Name	Title	CWE	CVE	Update Date	Publication Date	Show Affected	Exploit PoC Search
213141	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

213142	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

213143	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

213144	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

213145	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

213146	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

213147	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

213148	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

213149	4.3	MEDIUM Network	mozilla	firefox	For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnera…	CWE-79 Cross-site Scripting	CVE-2020-12404	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

213150	4.4	MEDIUM Local	mozilla opensuse fedoraproject debian	firefox leap fedora debian_linux	During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perfo…	CWE-203 Information Exposure Through Discrepancy	CVE-2020-12402	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

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