Security Update for Microsoft ASP.NET Core (June 2026)

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by the following vulnerability as referenced in the vendor advisory. - Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

Important: Red Hat Security Advisory: .NET 10.0 security update

An update for .NET 10.0 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

CVE-2026-46609: Improper Neutralization of Input During Web Page Generation

Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to inject HTML into an input field, which is rendered in the confirmation dialog without proper output encoding. This issue has been patched in version 17.4.0...

CVE-2026-45591

Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network...

CVE-2026-45591: Uncontrolled Resource Consumption

Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network...

ROS-20260608-73-0003

The vulnerability of the ASP.NET Core software platform is related to errors in checking the cryptographic signature. Exploiting this vulnerability can allow an attacker, operating remotely, to increase their privileges...

dotnet: .NET: infinite loop allows an attacker to cause a denial of service

A flaw was found in dotnet. An infinite loop in ASP.NET Core allows an unauthenticated remote attacker to cause a denial of service over a network. This issue can lead to an application crash and a high consumption of system resources...

Linux Distros Unpatched Vulnerability : CVE-2026-42899

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Loop with unreachable exit condition 'infinite loop' in ASP.NET Core allows an unauthorized attacker to deny service over a network. CVE-2026-42899 Note that...

CVE-2026-42899

A flaw was found in dotnet. An infinite loop in ASP.NET Core allows an unauthenticated remote attacker to cause a denial of service over a network. This issue can lead to an application crash and a high consumption of system resources. Mitigation Red Hat has investigated whether a possible...

BIT-DOTNET-SDK-2026-42899 ASP.NET Core Denial of Service Vulnerability

Loop with unreachable exit condition 'infinite loop' in ASP.NET Core allows an unauthorized attacker to deny service over a network...

BIT-DOTNET-2026-42899 ASP.NET Core Denial of Service Vulnerability

Loop with unreachable exit condition 'infinite loop' in ASP.NET Core allows an unauthorized attacker to deny service over a network...

CVE-2026-42899

Loop with unreachable exit condition 'infinite loop' in ASP.NET Core allows an unauthorized attacker to deny service over a network...

CVE-2026-43939: Improper Neutralization of Input During Web Page Generation

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the thread posting and reply feature accepts user-supplied content via a a post or reply that is stored server-side and later rendered back into the thread page without adequate HTML sanitization or contextual output...

CVE-2026-42899: Loop with Unreachable Exit Condition

Loop with unreachable exit condition 'infinite loop' in ASP.NET Core allows an unauthorized attacker to deny service over a network...

CVE-2026-43938: Improper Neutralization of Input During Web Page Generation

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the application's database logger YAFNET.Core/Logger/DbLogger.cs captures the incoming request's User-Agent header into a JObject, serializes it with JsonConvert, and stores the result in the EventLog.Description column...