Improperly Controlled Sequential Memory Allocation

Overview Microsoft.AspNetCore.SignalR.Protocols.MessagePack is a SignalR Hub Protocol over MsgPack. Affected versions of this package are vulnerable to Improperly Controlled Sequential Memory Allocation in the deserialization process. An attacker can cause excessive memory consumption and disrupt...

GHSA-86XP-94PG-8R6R Microsoft Security Advisory CVE-2026-92707 - ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.SignalR.Protocols.MessagePack; MessagePack; MessagePack.Annotations; MessagePackAnalyzer. This advisory also provides guidance on what developers can do to update...

Microsoft Security Advisory CVE-2026-92707 - ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.SignalR.Protocols.MessagePack; MessagePack; MessagePack.Annotations; MessagePackAnalyzer. This advisory also provides guidance on what developers can do to update...