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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 31, 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
208081 4.3 警告 Mozilla Foundation - Android 上で稼働する Mozilla Firefox 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-2015-7191 2015-11-6 14:21 2015-11-3 Show GitHub Exploit DB Packet Storm
208082 5 警告 Mozilla Foundation - Android 上で稼働する Mozilla Firefox の検索機能におけるログファイルを読まれる脆弱性 CWE-200
情報漏えい 		CVE-2015-7190 2015-11-6 14:21 2015-11-3 Show GitHub Exploit DB Packet Storm
208083 6.8 警告 Mozilla Foundation - Mozilla Firefox の JPEGEncoder 関数における任意のコードを実行される脆弱性 CWE-119
CWE-362
CVE-2015-7189 2015-11-6 14:20 2015-11-3 Show GitHub Exploit DB Packet Storm
208084 7.5 危険 Mozilla Foundation - Mozilla Firefox における IP アドレスの同一生成元ポリシーを回避される脆弱性 CWE-Other
その他 		CVE-2015-7188 2015-11-6 14:20 2015-11-3 Show GitHub Exploit DB Packet Storm
208085 4.3 警告 Mozilla Foundation - Mozilla Firefox の Add-on SDK におけるクロスサイトスクリプティングの脆弱性 CWE-Other
その他 		CVE-2015-7187 2015-11-6 14:20 2015-11-3 Show GitHub Exploit DB Packet Storm
208086 4.3 警告 Mozilla Foundation - Android 上で稼動する Mozilla Firefox における同一生成元ポリシーを回避される脆弱性 CWE-200
情報漏えい 		CVE-2015-7186 2015-11-6 14:20 2015-11-3 Show GitHub Exploit DB Packet Storm
208087 4.3 警告 Mozilla Foundation - Android 上で稼動する Mozilla Firefox におけるアドレスバーを偽装される脆弱性 CWE-Other
その他 		CVE-2015-7185 2015-11-6 14:20 2015-11-3 Show GitHub Exploit DB Packet Storm
208088 4.3 警告 Mozilla Foundation - Mozilla Firefox のリーダービューの実装におけるコンテンツセキュリティポリシー保護メカニズムを回避される脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2015-4518 2015-11-6 14:20 2015-11-3 Show GitHub Exploit DB Packet Storm
208089 4.3 警告 Mozilla Foundation - Mozilla Firefox における重要なホスト名の情報を取得される脆弱性 CWE-200
情報漏えい 		CVE-2015-4515 2015-11-6 14:20 2015-11-3 Show GitHub Exploit DB Packet Storm
208090 7.5 危険 Mozilla Foundation - Mozilla Firefox 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-119
バッファエラー 		CVE-2015-4514 2015-11-6 14:20 2015-11-3 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 31, 2026, 4:16 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
2701 7.5 HIGH
Network 		mozilla firefox
thunderbird 		Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. CWE-290
 Authentication Bypass by Spoofing 		CVE-2026-8963 2026-05-20 23:57 2026-05-19 Show GitHub Exploit DB Packet Storm
2702 7.5 HIGH
Network 		mozilla firefox
thunderbird 		Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. CWE-451
 User Interface (UI) Misrepresentation of Critical Information 		CVE-2026-8964 2026-05-20 23:57 2026-05-19 Show GitHub Exploit DB Packet Storm
2703 7.5 HIGH
Network 		mozilla firefox
thunderbird 		Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. CWE-400
 Uncontrolled Resource Consumption 		CVE-2026-8968 2026-05-20 23:56 2026-05-19 Show GitHub Exploit DB Packet Storm
2704 8.1 HIGH
Network 		mozilla firefox
thunderbird 		Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. CWE-693
 Protection Mechanism Failure 		CVE-2026-8969 2026-05-20 23:55 2026-05-19 Show GitHub Exploit DB Packet Storm
2705 9.1 CRITICAL
Network 		mozilla firefox
thunderbird 		Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. CWE-942
 Permissive Cross-domain Policy with Untrusted Domains 		CVE-2026-8948 2026-05-20 23:53 2026-05-19 Show GitHub Exploit DB Packet Storm
2706 7.5 HIGH
Network 		mozilla firefox
thunderbird 		Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. CWE-190
 Integer Overflow or Wraparound 		CVE-2026-8949 2026-05-20 23:49 2026-05-19 Show GitHub Exploit DB Packet Storm
2707 6.5 MEDIUM
Network 		mozilla firefox Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151. CWE-290
 Authentication Bypass by Spoofing 		CVE-2026-8951 2026-05-20 23:48 2026-05-19 Show GitHub Exploit DB Packet Storm
2708 6.5 MEDIUM
Network 		mozilla firefox
thunderbird 		Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. CWE-346
 Origin Validation Error 		CVE-2026-8971 2026-05-20 23:41 2026-05-19 Show GitHub Exploit DB Packet Storm
2709 9.8 CRITICAL
Network 		mozilla firefox
thunderbird 		Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. CWE-190
 Integer Overflow or Wraparound 		CVE-2026-8956 2026-05-20 23:31 2026-05-19 Show GitHub Exploit DB Packet Storm
2710 9.6 CRITICAL
Network 		mozilla firefox
thunderbird 		Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. CWE-20
CWE-119
CWE-693
 Improper Input Validation 
Incorrect Access of Indexable Resource ('Range Error') 
 Protection Mechanism Failure 		CVE-2026-8959 2026-05-20 23:28 2026-05-19 Show GitHub Exploit DB Packet Storm