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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 27, 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
255881 4.3 警告 Opera Software ASA - Opera における URL を偽装される脆弱性 CWE-Other
その他 		CVE-2009-3047 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
255882 5 警告 Opera Software ASA - Opera における証明書チェーンの有効性を回避される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2009-3046 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
255883 5 警告 Opera Software ASA - Opera における任意の SSL サーバになりすまされる脆弱性 CWE-310
暗号の問題 		CVE-2009-3045 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
255884 9.3 危険 Opera Software ASA - Opera におけ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-2009-3831 2010-09-27 16:14 2009-10-28 Show GitHub Exploit DB Packet Storm
255885 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2009-3269 2010-09-27 16:14 2009-09-18 Show GitHub Exploit DB Packet Storm
255886 4.3 警告 Opera Software ASA - Opera 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-2009-3266 2010-09-27 16:14 2009-09-18 Show GitHub Exploit DB Packet Storm
255887 4.3 警告 Opera Software ASA - Opera 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-2009-3265 2010-09-27 16:14 2009-09-18 Show GitHub Exploit DB Packet Storm
255888 5 警告 Opera Software ASA - Opera の X.509 証明書における SSLサーバになりすまされる脆弱性 CWE-310
暗号の問題 		CVE-2009-3044 2010-09-27 16:13 2009-09-1 Show GitHub Exploit DB Packet Storm
255889 4.3 警告 Opera Software ASA - Opera における data: URI をブロックしない脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2009-3013 2010-09-27 16:13 2009-08-31 Show GitHub Exploit DB Packet Storm
255890 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2009-2577 2010-09-27 16:12 2009-07-22 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 27, 2026, 4:52 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
195421 8.8 HIGH
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass content security policy via a crafted Chrome Extension. NVD-CWE-Other
CVE-2021-21127 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195422 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass site isolation via a crafted Chrome Extension. CWE-20
 Improper Input Validation  		CVE-2021-21126 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195423 8.1 HIGH
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. CWE-59
Link Following 		CVE-2021-21125 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195424 9.6 CRITICAL
Network 		google
microsoft 		chrome
edge_chromium 		Potential user after free in Speech Recognizer in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. CWE-416
 Use After Free 		CVE-2021-21124 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195425 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. CWE-20
 Improper Input Validation  		CVE-2021-21123 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195426 8.8 HIGH
Network 		google
microsoft 		chrome
edge_chromium 		Use after free in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. CWE-416
 Use After Free 		CVE-2021-21122 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195427 9.6 CRITICAL
Network 		google
microsoft 		chrome
edge_chromium 		Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. CWE-416
 Use After Free 		CVE-2021-21121 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195428 8.8 HIGH
Network 		google
microsoft 		chrome
edge_chromium 		Use after free in WebSQL in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. CWE-416
 Use After Free 		CVE-2021-21120 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195429 8.8 HIGH
Network 		google
microsoft 		chrome
edge_chromium 		Use after free in Media in Google Chrome prior to 88.0.4324.96 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. CWE-416
 Use After Free 		CVE-2021-21119 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195430 8.8 HIGH
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient data validation in V8 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. CWE-119
Incorrect Access of Indexable Resource ('Range Error')  		CVE-2021-21118 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm