Vulnerability index

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Messagepack HIGH 7.5
CVE-2026-48513

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, runtime-generated union deserializers emitted by DynamicUnionResol…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48514

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, UnsafeBlitFormatterBase<T>.Deserialize reads an attacker-controlle…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48515

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's multi-dimensional array formatters read dimen…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48516

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, InterfaceLookupFormatter<TKey,TElement> constructs an internal Dic…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48517

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's typeless deserialization includes MessagePack…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack CRITICAL 9.1
CVE-2026-48509

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, the parameterless MessagePackInputFormatter() constructor uses def…

Fix: 2.5.301 / 3.1.7+
Fix from $2,300 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48502

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePackReader.ReadDateTime() can allocate stack memory based o…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48506

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePackReader.TrySkip() recursively descends into nested array…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48510

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 pay…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48511

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, ExpandoObjectFormatter.Deserialize populates System.Dynamic.Expand…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 7.5
CVE-2026-48512

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 recu…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack HIGH 8.2
CVE-2026-48109

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, A vulnerability exists in the optional LZ4 decompression path used…

Fix: 2.5.301 / 3.1.7+
Fix from $1,950 2026-06-22
Messagepack MEDIUM 6.5
CVE-2020-5234

MessagePack for C# and Unity before version 1.9.11 and 2.1.90 has a vulnerability where untrusted data can lead to DoS attack due to hash collisions …

Fix: 1.9.3 / 2.1.80+
Fix from $1,600 2020-01-31