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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 18, 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
3251 6.5 警告
Network 		Zeit, Inc. AI Vercel, Inc. (旧 Zeit, Inc.)のAIにおける複数の脆弱性 CWE-400
CWE-404
CVE-2026-8769 2026-05-21 10:47 2026-05-17 Show GitHub Exploit DB Packet Storm
3252 6.3 警告
Network 		Tencent WeKnora TencentのWeKnoraにおける複数の脆弱性 CWE-285
CWE-639
CVE-2026-8786 2026-05-21 10:47 2026-05-18 Show GitHub Exploit DB Packet Storm
3253 7.5 重要
Network 		Mozilla Foundation Mozilla Thunderbird
Mozilla Firefox 		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-2026-8946 2026-05-21 10:47 2026-05-19 Show GitHub Exploit DB Packet Storm
3254 7.3 重要
Network 		Mozilla Foundation Mozilla Thunderbird
Mozilla Firefox 		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-2026-8947 2026-05-21 10:47 2026-05-19 Show GitHub Exploit DB Packet Storm
3255 9.6 緊急
Network 		Mozilla Foundation Mozilla Thunderbird
Mozilla Firefox 		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-2026-8953 2026-05-21 10:47 2026-05-19 Show GitHub Exploit DB Packet Storm
3256 7.5 重要
Network 		Mozilla Foundation Mozilla Thunderbird
Mozilla Firefox 		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-2026-8954 2026-05-21 10:47 2026-05-19 Show GitHub Exploit DB Packet Storm
3257 4.3 警告
Network 		シックス・アパート株式会社 Movable Type Premium (Advanced Edition)
Movable Type
Movable Type Advanced
Movable Type Premium 		Movable Typeにおける権限チェックの欠如の脆弱性 CWE-Other
その他 		CVE-2026-44392 2026-05-20 14:09 2026-05-20 Show GitHub Exploit DB Packet Storm
3258 4.3 警告
Network 		Outlook.com Microsoft Edge Chromium Microsoft Edge (Chromium ベース) for Android のスプーフィングの脆弱性 CWE-451
ユーザインターフェースにおける重要情報の誤った表示 		CVE-2026-40416 2026-05-20 13:31 2026-05-12 Show GitHub Exploit DB Packet Storm
3259 4.3 警告
Network 		Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける有効期限後または解放後のリソースの操作に関する脆弱性 CWE-672
有効期限後または解放後のリソースの操作 		CVE-2026-4053 2026-05-20 13:31 2026-05-15 Show GitHub Exploit DB Packet Storm
3260 6.5 警告
Network 		Mattermost, Inc. Mattermost Server Mattermost, Inc.のMattermost Serverにおける例外的な状態のチェックに関する脆弱性 CWE-754
例外的な状態における不適切なチェック 		CVE-2026-4054 2026-05-20 13:31 2026-05-15 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
305851 - combodo itop Multiple cross-site scripting (XSS) vulnerabilities in iTop (aka IT Operations Portal) 1.1.181 and 1.2.0-RC-282 allow remote attackers to inject arbitrary web script or HTML via (1) a crafted company… CWE-79
Cross-site Scripting 		CVE-2011-4275 2024-11-21 10:32 2011-11-26 Show GitHub Exploit DB Packet Storm
305852 - realnetworks realplayer Unspecified vulnerability in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted MP4 file. NVD-CWE-noinfo
CVE-2011-4262 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm
305853 - realnetworks realplayer RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted video dimensions in an MP4 file. CWE-119
Incorrect Access of Indexable Resource ('Range Error')  		CVE-2011-4261 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm
305854 - realnetworks realplayer RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a malformed header in an MP4 file. CWE-94
Code Injection 		CVE-2011-4260 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm
305855 - realnetworks realplayer Integer underflow in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted width value in an MPG file. CWE-189
Numeric Errors 		CVE-2011-4259 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm
305856 - realnetworks realplayer RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted length of an MLTI chunk in an IVR file. CWE-94
Code Injection 		CVE-2011-4258 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm
305857 - realnetworks realplayer The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data. CWE-94
Code Injection 		CVE-2011-4257 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm
305858 - realnetworks realplayer The RV30 codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 does not initialize an unspecified index value, which allows remote attackers to execute arbitrary code v… CWE-94
Code Injection 		CVE-2011-4256 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm
305859 - realnetworks realplayer Unspecified vulnerability in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 allows remote attackers to execute arbitrary code via an invalid codec name. NVD-CWE-noinfo
CVE-2011-4255 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm
305860 - realnetworks realplayer RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted RTSP SETUP request. CWE-94
Code Injection 		CVE-2011-4254 2024-11-21 10:32 2011-11-24 Show GitHub Exploit DB Packet Storm