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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 29, 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
6421	7.8	重要 Local	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-2026-31446	2026-05-11 11:01	2026-04-22	Show	GitHub Exploit DB Packet Storm

6422	7.8	重要 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-2026-31447	2026-05-11 11:01	2026-04-22	Show	GitHub Exploit DB Packet Storm

6423	9.4	緊急 Network	Linux	Linux Kernel	LinuxのLinux Kernelにおける無限ループに関する脆弱性	CWE-835 無限ループ	CVE-2026-31448	2026-05-11 11:01	2026-04-22	Show	GitHub Exploit DB Packet Storm

6424	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-2026-31449	2026-05-11 11:01	2026-04-22	Show	GitHub Exploit DB Packet Storm

6425	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-2026-31460	2026-05-11 11:01	2026-04-22	Show	GitHub Exploit DB Packet Storm

6426	5.5	警告 Local	Linux	Linux Kernel	LinuxのLinux Kernelにおける有効期限後のメモリの解放の欠如に関する脆弱性	CWE-401 有効期限後のメモリの解放の欠如	CVE-2026-31461	2026-05-11 11:01	2026-04-22	Show	GitHub Exploit DB Packet Storm

6427	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-2026-31462	2026-05-11 11:01	2026-04-22	Show	GitHub Exploit DB Packet Storm

6428	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-2026-31463	2026-05-11 11:00	2026-04-22	Show	GitHub Exploit DB Packet Storm

6429	8.1	重要 Adjacent	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-2026-31464	2026-05-11 11:00	2026-04-22	Show	GitHub Exploit DB Packet Storm

6430	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-2026-31465	2026-05-11 11:00	2026-04-22	Show	GitHub Exploit DB Packet Storm

NVD Vulnerability Information

Update Date:June 29, 2026, 4:19 a.m.

No	CVSS	Level Attach Vector	Vendor Name	Project Name	Title	CWE	CVE	Update Date	Publication Date	Show Affected	Exploit PoC Search
1261	7.5	HIGH Network	messagepack	messagepack	MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, runtime-generated union deserializers emitted by DynamicUnionResolver do not call MessagePackSecurity.DepthStep(ref …	CWE-674 Uncontrolled Recursion	CVE-2026-48513	2026-06-26 01:16	2026-06-23	Show	GitHub Exploit DB Packet Storm

1262	7.5	HIGH Network	messagepack	messagepack	MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's JSON conversion helpers contain multiple recursion paths that do not consistently enforce a dep…	CWE-674 Uncontrolled Recursion	CVE-2026-48512	2026-06-26 01:16	2026-06-23	Show	GitHub Exploit DB Packet Storm

1263	7.5	HIGH Network	messagepack	messagepack	MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, ExpandoObjectFormatter.Deserialize populates System.Dynamic.ExpandoObject by calling IDictionary<string, object>.Add…	CWE-407 Inefficient Algorithmic Complexity	CVE-2026-48511	2026-06-26 01:16	2026-06-23	Show	GitHub Exploit DB Packet Storm

1264	7.5	HIGH Network	messagepack	messagepack	MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, when MessagePack-CSharp decompresses Lz4Block or Lz4BlockArray payloads, it reads declared uncompressed lengths from…	CWE-409 CWE-770 Improper Handling of Highly Compressed Data (Data Amplification) Allocation of Resources Without Limits or Throttling	CVE-2026-48510	2026-06-26 01:16	2026-06-23	Show	GitHub Exploit DB Packet Storm

1265	9.1	CRITICAL Network	messagepack	messagepack	MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, the parameterless MessagePackInputFormatter() constructor uses default serializer options, which resolve to MessageP…	CWE-1188 Insecure Default Initialization of Resource	CVE-2026-48509	2026-06-26 01:16	2026-06-23	Show	GitHub Exploit DB Packet Storm

1266	4.4	MEDIUM Network	-	-	Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, the ImageElement component in packages/gazzodown renders user-controlled src values directly into <a…	CWE-79 Cross-site Scripting	CVE-2026-47733	2026-06-26 01:16	2026-06-25	Show	GitHub Exploit DB Packet Storm

1267	-		-	-	Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, Rocket.Chat allows users deactivated through…	CWE-613 Insufficient Session Expiration	CVE-2026-45757	2026-06-26 01:16	2026-06-25	Show	GitHub Exploit DB Packet Storm

1268	5.3	MEDIUM Network	-	-	This fix provides extra hardening for the 5.4.x branch by doing extra validation of incoming answers from authoritative servers.	CWE-20 Improper Input Validation	CVE-2026-42389	2026-06-26 01:16	2026-06-25	Show	GitHub Exploit DB Packet Storm

1269	5.9	MEDIUM Network	-	-	Incomplete validation of the SOA record present in a catalog zone might lead to a crash.	CWE-20 Improper Input Validation	CVE-2026-42388	2026-06-26 01:16	2026-06-25	Show	GitHub Exploit DB Packet Storm

1270	5.9	MEDIUM Network	-	-	A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation.	CWE-20 Improper Input Validation	CVE-2026-42387	2026-06-26 01:16	2026-06-25	Show	GitHub Exploit DB Packet Storm

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