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...

Infinite loop

Overview Microsoft.AspNetCore.App.Runtime.win-x86 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Infinite loop in the FormDataReader.ProcessFormKeys...

GHSA-9V76-4QCC-FRGH Microsoft Security Advisory CVE-2026-42899 – ASP.NET Core Denial of Service Vulnerability

Executive Summary: Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0, .NET 9.0, and .NET 10.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Loop with unreachable exit...

Infinite loop

Overview Microsoft.AspNetCore.App.Runtime.linux-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Infinite loop in the FormDataReader.ProcessFormKeys...

Infinite loop

Overview Microsoft.AspNetCore.App.Runtime.linux-musl-arm is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Infinite loop in the...

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

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CVE-2026-42899

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

Microsoft ASP.NET Core 安全漏洞

Microsoft ASP.NET Core is a cross-platform open-source framework developed by Microsoft. This framework is used to build cloud-based applications such as web applications, IoT applications, and mobile backends. There are security vulnerabilities in Microsoft ASP.NET Core. Attackers can exploit...

Amazon Linux 2023 : aspnetcore-runtime-10.0, aspnetcore-runtime-dbg-10.0, aspnetcore-targeting-pack-10.0 (ALAS2023-2026-1627)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1627 advisory. Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network. CVE-2026-26171 Improper neutralization of special elements in .NET allows an...

Important: Red Hat Security Advisory: .NET 9.0 security update

An update for .NET 9.0 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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 fo...

Important: Red Hat Security Advisory: .NET 8.0 security update

An update for .NET 8.0 is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. 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 fo...

RHEL 9 : .NET 9.0 (RHSA-2026:10085)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:10085 advisory. .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR...

CVE-2026-40372

Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network...

ASP.NET Core Elevation of Privilege Vulnerability

Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network...

CVE-2026-40372

Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network...

Amazon Linux 2023 : aspnetcore-runtime-9.0, aspnetcore-runtime-dbg-9.0, aspnetcore-targeting-pack-9.0 (ALAS2023-2026-1506)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1506 advisory. Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network. CVE-2026-26127 Allocation of resources without limits or throttling in ASP.NET Core allows an...

Important: dotnet9.0

Issue Overview: Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network. CVE-2026-26127 Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network. CVE-2026-26130 Affected Packages: dotnet9....

CVE-2026-25667

ASP.NET Core Kestrel in Microsoft .NET 8.0 before 8.0.22 and .NET 9.0 before 9.0.11 allows a remote attacker to cause excessive CPU consumption by sending a crafted QUIC packet, because of an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing...

CVE-2026-25667

ASP.NET Core Kestrel in Microsoft .NET 8.0 before 8.0.22 and .NET 9.0 before 9.0.11 allows a remote attacker to cause excessive CPU consumption by sending a crafted QUIC packet, because of an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing...