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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":April 30, 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
1231 9.8 緊急
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における初期化されていない変数の使用に関する脆弱性 CWE-457
初期化されていない変数の使用 		CVE-2026-6748 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1232 7.5 重要
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における初期化されていないリソースの使用に関する脆弱性 CWE-908
初期化されていないリソースの使用 		CVE-2026-6749 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1233 9.8 緊急
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における権限管理に関する脆弱性 CWE-269
不適切な権限管理 		CVE-2026-6750 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1234 7.3 重要
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における初期化されていない変数の使用に関する脆弱性 CWE-457
初期化されていない変数の使用 		CVE-2026-6751 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1235 7.3 重要
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品におけるバッファエラーの脆弱性 CWE-119
バッファエラー 		CVE-2026-6752 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1236 7.3 重要
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品におけるバッファエラーの脆弱性 CWE-119
バッファエラー 		CVE-2026-6753 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1237 7.5 重要
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における解放済みメモリの使用に関する脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-6754 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1238 6.5 警告
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品におけるクロスサイトリクエストフォージェリの脆弱性 CWE-352
同一生成元ポリシー違反 		CVE-2026-6755 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1239 7.5 重要
Network 		Mozilla Foundation Mozilla Firefox Mozilla FoundationのMozilla Firefoxにおける情報漏えいに関する脆弱性 CWE-200
情報漏えい 		CVE-2026-6756 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
1240 6.3 警告
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における初期化されていないポインタのアクセスに関する脆弱性 CWE-824
初期化されていないポインタのアクセス 		CVE-2026-6757 2026-04-24 11:40 2026-04-21 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 1, 2026, 4:54 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
315401 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: The CNA or individual who requested this candidate did not associate it with any vulnerability during 2021. Notes: none - CVE-2021-20006 2023-11-7 12:28 2022-02-10 Show GitHub Exploit DB Packet Storm
315402 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: The CNA or individual who requested this candidate did not associate it with any vulnerability during 2021. Notes: none - CVE-2021-20005 2023-11-7 12:28 2022-02-10 Show GitHub Exploit DB Packet Storm
315403 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: The CNA or individual who requested this candidate did not associate it with any vulnerability during 2021. Notes: none - CVE-2021-20004 2023-11-7 12:28 2022-02-10 Show GitHub Exploit DB Packet Storm
315404 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: The CNA or individual who requested this candidate did not associate it with any vulnerability during 2021. Notes: none - CVE-2021-20003 2023-11-7 12:28 2022-02-10 Show GitHub Exploit DB Packet Storm
315405 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: The CNA or individual who requested this candidate did not associate it with any vulnerability during 2021. Notes: none - CVE-2021-20002 2023-11-7 12:28 2022-02-10 Show GitHub Exploit DB Packet Storm
315406 7.8 HIGH
Local 		- - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Notes: none - CVE-2021-20095 2023-11-7 12:28 2021-04-30 Show GitHub Exploit DB Packet Storm
315407 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none. - CVE-2021-20200 2023-11-7 12:28 2021-03-18 Show GitHub Exploit DB Packet Storm
315408 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none - CVE-2021-20189 2023-11-7 12:28 2021-01-16 Show GitHub Exploit DB Packet Storm
315409 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was in a CNA pool that was not assigned to any issues during 2021. Notes: none. - CVE-2021-0195 2023-11-7 12:27 2023-05-17 Show GitHub Exploit DB Packet Storm
315410 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was in a CNA pool that was not assigned to any issues during 2021. Notes: none. - CVE-2021-0192 2023-11-7 12:27 2023-05-17 Show GitHub Exploit DB Packet Storm