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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 21, 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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2971 8.8 重要
Adjacent 		Linux Linux Kernel LinuxのLinux Kernel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-2026-31408 2026-05-22 10:56 2026-04-6 Show GitHub Exploit DB Packet Storm
2972 8.8 重要
Network 		Linux Linux Kernel LinuxのLinux Kernelにおける不特定の脆弱性 CWE-noinfo
情報不足 		CVE-2026-31409 2026-05-22 10:56 2026-04-6 Show GitHub Exploit DB Packet Storm
2973 5.5 警告
Local 		Linux Linux Kernel LinuxのLinux Kernelにおける不特定の脆弱性 CWE-noinfo
情報不足 		CVE-2026-31410 2026-05-22 10:56 2026-04-6 Show GitHub Exploit DB Packet Storm
2974 5.5 警告
Local 		Linux Linux Kernel LinuxのLinux KernelにおけるNULL ポインタデリファレンスに関する脆弱性 CWE-476
NULL ポインタデリファレンス 		CVE-2026-31411 2026-05-22 10:56 2026-04-8 Show GitHub Exploit DB Packet Storm
2975 5.5 警告
Local 		Linux Linux Kernel LinuxのLinux Kernelにおける整数オーバーフローの脆弱性 CWE-190
整数オーバーフローまたはラップアラウンド 		CVE-2026-31412 2026-05-22 10:56 2026-04-10 Show GitHub Exploit DB Packet Storm
2976 7.8 重要
Local 		Linux Linux Kernel LinuxのLinux Kernelにおける境界外読み取りに関する脆弱性 CWE-125
境界外読み取り 		CVE-2026-31413 2026-05-22 10:56 2026-04-12 Show GitHub Exploit DB Packet Storm
2977 9.8 緊急
Network 		Linux Linux Kernel LinuxのLinux Kernelにおける不特定の脆弱性 CWE-noinfo
情報不足 		CVE-2026-31414 2026-05-22 10:56 2026-04-13 Show GitHub Exploit DB Packet Storm
2978 5.5 警告
Local 		Linux Linux Kernel LinuxのLinux Kernelにおける到達可能なアサーションに関する脆弱性 CWE-617
到達可能なアサーション 		CVE-2026-31415 2026-05-22 10:56 2026-04-13 Show GitHub Exploit DB Packet Storm
2979 5.5 警告
Local 		Linux Linux Kernel LinuxのLinux Kernelにおける不特定の脆弱性 CWE-noinfo
情報不足 		CVE-2026-31416 2026-05-22 10:56 2026-04-13 Show GitHub Exploit DB Packet Storm
2980 7.5 重要
Network 		Linux Linux Kernel LinuxのLinux Kernelにおける整数アンダーフローの脆弱性 CWE-191
整数アンダーフロー 		CVE-2026-31417 2026-05-22 10:56 2026-04-13 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 21, 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
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305791 - opera opera_browser Opera 11.60 and earlier does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to determine wheth… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2011-4690 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305792 - microsoft internet_explorer Microsoft Internet Explorer 6 through 9 does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2011-4689 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305793 - mozilla firefox Mozilla Firefox 8.0.1 and earlier does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to deter… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2011-4688 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305794 - opera opera_browser Opera before 11.60 allows remote attackers to cause a denial of service (CPU and memory consumption) via unspecified content on a web page, as demonstrated by a page under the cisco.com home page. CWE-399
 Resource Management Errors 		CVE-2011-4687 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305795 - opera opera_browser Unspecified vulnerability in the Web Workers implementation in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unknown vectors. NVD-CWE-noinfo
CVE-2011-4686 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305796 - opera opera_browser Dragonfly in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unspecified content on a web page, as demonstrated by forbes.com. CWE-20
 Improper Input Validation  		CVE-2011-4685 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305797 - opera opera_browser Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corner cases." CWE-310
Cryptographic Issues 		CVE-2011-4684 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305798 - opera opera_browser Unspecified vulnerability in Opera before 11.60 has unknown impact and attack vectors, related to a "moderately severe issue." NVD-CWE-noinfo
CVE-2011-4683 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305799 - opera opera_browser The JavaScript engine in Opera before 11.60 does not properly implement the in operator, which allows remote attackers to bypass the Same Origin Policy via vectors related to variables on different w… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2011-4682 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
305800 - opera opera_browser Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Sa… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2011-4681 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm