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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":June 19, 2026, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
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259621 7.8 危険 Linux
レッドハット		 - Linux kernel の net/ipv4/route.c 用の特定のレッドハットパッチにおけ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-2009-4272 2010-02-18 14:28 2010-01-19 Show GitHub Exploit DB Packet Storm
259622 9.3 危険 レッドハット
リアルネットワークス		 - Realnetworks RealPlayer におけるバッファオーバーフローの脆弱性 CWE-119
バッファエラー 		CVE-2009-4248 2010-02-17 11:48 2010-01-19 Show GitHub Exploit DB Packet Storm
259623 9.3 危険 リアルネットワークス - Realnetworks RealPlayer における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2009-4246 2010-02-17 11:48 2010-01-19 Show GitHub Exploit DB Packet Storm
259624 9.3 危険 レッドハット
リアルネットワークス		 - Realnetworks RealPlayer の smlrender.dll における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2009-4257 2010-02-17 11:48 2010-01-19 Show GitHub Exploit DB Packet Storm
259625 9.3 危険 レッドハット
リアルネットワークス		 - Realnetworks RealPlayer におけるヒープベースのバッファオーバーフローの脆弱性 CWE-119
バッファエラー 		CVE-2009-4245 2010-02-17 11:48 2010-01-19 Show GitHub Exploit DB Packet Storm
259626 9.3 危険 リアルネットワークス - Realnetworks RealPlayer における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2009-4244 2010-02-17 11:48 2010-01-19 Show GitHub Exploit DB Packet Storm
259627 9.3 危険 リアルネットワークス - RealNetworks RealPlayer の DLL ファイルにおける任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2009-0376 2010-02-17 11:47 2010-01-19 Show GitHub Exploit DB Packet Storm
259628 9.3 危険 リアルネットワークス - RealNetworks RealPlayer の DLL ファイル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-2009-0375 2010-02-17 11:47 2010-01-19 Show GitHub Exploit DB Packet Storm
259629 9.3 危険 リアルネットワークス - Realnetworks RealPlayer における HTTP のチャンク転送コーディングの処理に関する脆弱性 CWE-119
バッファエラー 		CVE-2009-4243 2010-02-17 11:47 2010-01-19 Show GitHub Exploit DB Packet Storm
259630 9.3 危険 レッドハット
リアルネットワークス		 - Realnetworks RealPlayer における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2009-4242 2010-02-17 11:47 2010-01-19 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 19, 2026, 4:01 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
200731 6.1 MEDIUM
Network 		cybozu garoon Cross-site scripting vulnerability in Bulletin of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker to inject an arbitrary script via unspecified vectors. CWE-79
Cross-site Scripting 		CVE-2021-20765 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200732 5.3 MEDIUM
Network 		cybozu garoon Improper input validation vulnerability in Attaching Files of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker to alter the data of Attaching Files. CWE-20
 Improper Input Validation  		CVE-2021-20764 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200733 4.3 MEDIUM
Network 		cybozu garoon Operational restrictions bypass vulnerability in Portal of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to obtain the data of Portal without the appropriate privilege. NVD-CWE-Other
CVE-2021-20763 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200734 4.3 MEDIUM
Network 		cybozu garoon Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated to alter the data of E-mail without the appropriate privilege. CWE-20
 Improper Input Validation  		CVE-2021-20762 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200735 2.7 LOW
Network 		cybozu garoon Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker with an administrative privilege to alter the data of E-mail without the appropriate privile… CWE-20
 Improper Input Validation  		CVE-2021-20761 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200736 4.3 MEDIUM
Network 		cybozu garoon Improper input validation vulnerability in User Profile of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to alter the data of User Profile without the appropriate privilege. CWE-20
 Improper Input Validation  		CVE-2021-20760 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200737 4.3 MEDIUM
Network 		cybozu garoon Operational restrictions bypass vulnerability in Bulletin of Cybozu Garoon 4.6.0 to 5.0.2 allows a remote authenticated attacker to alter the data of Portal without the appropriate privilege. NVD-CWE-Other
CVE-2021-20759 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200738 8.0 HIGH
Network 		cybozu garoon Cross-site request forgery (CSRF) vulnerability in Message of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to hijack the authentication of administrators and perform an arbitra… CWE-352
 Origin Validation Error 		CVE-2021-20758 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200739 4.3 MEDIUM
Network 		cybozu garoon Operational restrictions bypass vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to alter the data of Portal without the appropriate privilege. NVD-CWE-Other
CVE-2021-20757 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200740 4.3 MEDIUM
Network 		cybozu garoon Viewing restrictions bypass vulnerability in Address of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to obtain the data of Address without the viewing privilege. NVD-CWE-Other
CVE-2021-20756 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm