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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":June 23, 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
134631 6.5 警告
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21135: Inappropriate implementation in Performance API CWE-346
同一生成元ポリシー違反 		CVE-2021-21135 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134632 6.5 警告
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21134: Incorrect security UI in Page Info CWE-290
スプーフィングによる認証回避 		CVE-2021-21134 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134633 6.5 警告
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21133: Insufficient policy enforcement in Downloads CWE-287
不適切な認証 		CVE-2021-21133 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134634 8.8 重要
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21128: Heap buffer overflow in Blink CWE-787
境界外書き込み 		CVE-2021-21128 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134635 8.8 重要
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21127: Insufficient policy enforcement in extensions CWE-287
不適切な認証 		CVE-2021-21127 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134636 6.5 警告
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21126: Insufficient policy enforcement in extensions CWE-287
不適切な認証 		CVE-2021-21126 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134637 8.1 重要
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21125: Insufficient policy enforcement in File System API CWE-287
不適切な認証 		CVE-2021-21125 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134638 9.6 緊急
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21124: Potential user after free in Speech Recognizer CWE-416
解放済みメモリの使用 		CVE-2021-21124 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134639 9.6 緊急
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21121: Use after free in Omnibox CWE-416
解放済みメモリの使用 		CVE-2021-21121 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
134640 8.8 重要
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21120: Use after free in WebSQL CWE-416
解放済みメモリの使用 		CVE-2021-21120 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 23, 2026, 4 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
51 - - - Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152. - CVE-2026-12318 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
52 - - - Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. - CVE-2026-12317 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
53 - - - Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. - CVE-2026-12316 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
54 - - - Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12315 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
55 - - - Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12314 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
56 4.7 MEDIUM
Network 		- - Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. CWE-269
 Improper Privilege Management 		CVE-2026-12313 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
57 - - - Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12312 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
58 4.7 MEDIUM
Network 		- - Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. CWE-200
CWE-688
Information Exposure
 Function Call With Incorrect Variable or Reference as Argument 		CVE-2026-12311 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
59 - - - Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12310 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
60 - - - Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12309 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm