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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 24, 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
71 5.4 MEDIUM
Network 		- - Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. CWE-125
CWE-416
CWE-787
Out-of-bounds Read
 Use After Free
 Out-of-bounds Write 		CVE-2026-12298 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
72 - - - Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird … - CVE-2026-12297 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
73 - - - 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. - CVE-2026-12296 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
74 - - - Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12295 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
75 - - - Sandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12294 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
76 - - - Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. - CVE-2026-12293 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
77 - - - Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12292 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
78 - - - Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12291 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
79 - - - Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. - CVE-2026-12290 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm
80 8.8 HIGH
Network 		- - Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. CWE-269
 Improper Privilege Management 		CVE-2026-12289 2026-06-17 02:16 2026-06-16 Show GitHub Exploit DB Packet Storm