CVE-2026-92707 MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

CVE-2026-92707 MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

CVE-2026-92707 MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

MessagePack-CSharp Resource Management Vulnerability

Versions of MessagePack-CSharp prior to 2.5.303 and 3.1.9 contain a resource management vulnerability. This vulnerability arises from the PrimitiveObjectFormatter class, which improperly controls memory allocation when deserializing MessagePack data into System.Object. It allocates object based o...