BIT-DOTNET-SDK-2026-45490 .NET SDK Elevation of Privilege Vulnerability

Improper authorization in .NET allows an authorized attacker to elevate privileges locally...

dotnet: .NET: Local file tampering via link following vulnerability

A flaw was found in .NET's System.Formats.Tar library. When extracting a specially crafted TAR archive containing symbolic links, the TarFile.ExtractToDirectory method may incorrectly follow those links and write files outside the intended extraction directory. An attacker could exploit this issu...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: dotnet8.0: aspnetcore-runtime-8.0-8.0.28-1.hum1 aarch64, x8664 aspnetcore-runtime-dbg-8.0-8.0.28-1.hum1 aarch64, x8664 aspnetcore-targeting-pack-8.0-8.0.28-1.hum1 aarch64, x8664...

Important Photon OS Security Update - PHSA-2026-5.0-0884

Updates of 'dotnet-runtime', 'freetype2', 'frr' packages of Photon OS have been released...

dotnet: .NET Core: Denial of Service via type confusion

A flaw was found in .NET Core. This vulnerability, known as type confusion, allows an unauthorized remote attacker to cause a denial of service DoS over a network. By exploiting this flaw, an attacker can make the affected system unavailable to legitimate users...

dotnet: .NET Framework: Denial of Service via network-based buffer overflow

A flaw was found in .NET Framework. This vulnerability, a stack-based buffer overflow, allows an unauthorized attacker to remotely exploit the system over a network. Successful exploitation can lead to a denial of service DoS, making the affected system unavailable to legitimate users...

dotnet: .NET: Local tampering via improper link resolution

A flaw was found in .NET. This vulnerability, stemming from improper link resolution before file access, allows an authorized local attacker to perform tampering. This could lead to unauthorized modification of data or system files...

dotnet: .NET Framework: Denial of Service via improper input validation

A flaw was found in .NET Framework. This improper validation of input allows an unauthorized attacker to remotely deny service over a network. This vulnerability can lead to a Denial of Service DoS condition, making the affected system unavailable to legitimate users...

ASP.NET Core: ASP.NET Core: Privilege Escalation via Incorrect Authentication Algorithm

A flaw was found in ASP.NET Core. An authorized attacker can exploit an incorrect implementation of the authentication algorithm over a network. This vulnerability allows the attacker to elevate their privileges, potentially gaining unauthorized access to sensitive resources or performing actions...

dotnet: .NET: Local file tampering via link following vulnerability

A flaw was found in .NET's System.Formats.Tar library. When extracting a specially crafted TAR archive containing symbolic links, the TarFile.ExtractToDirectory method may incorrectly follow those links and write files outside the intended extraction directory. An attacker could exploit this issu...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: dotnet10.0: aspnetcore-runtime-10.0-10.0.9-1.hum1 aarch64, x8664 aspnetcore-runtime-dbg-10.0-10.0.9-1.hum1 aarch64, x8664 aspnetcore-targeting-pack-10.0-10.0.9-1.hum1 aarch64, x8664...

dotnet: SocketsHttpHandler Http2Connection - HTTP/2 SETTINGS/PING ACK flood causing OOM

.NET Denial of Service Vulnerability - HTTP/2 SETTINGS/PING ACK flood causing OOM...

CVE-2026-11857

The CVE describes a local privilege escalation in Quanos SCHEMA ST4 on-premises, via insecure deserialization in the .NET Remoting endpoint exposed by the Client Update Service. The service uses TypeFilterLevel.Full and binds to local interfaces over named pipes, enabling a local authenticated at...

Important Photon OS Security Update - PHSA-2026-4.0-1036

Updates of 'dotnet-runtime', 'wireshark', 'nginx' packages of Photon OS have been released...

Microsoft Security Advisory CVE-2026-45491 – .NET Tampering Vulnerability

Executive Summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Formats.Tar. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A tampering vulnerability exists in the...

EUVD-2026-35675

Microsoft Security Advisory CVE-2026-45491 – .NET Tampering Vulnerability...

GHSA-F8H2-VMM9-QHJ6 Microsoft Security Advisory CVE-2026-45591 – ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core SignalR and Blazor Server. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A denial of service...

MiracleLinux 8 : dotnet8.0-8.0.128-1.el8_10.ML.1 (AXSA:2026-787:10)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-787:10 advisory. dotnet: .NET: Local file tampering via link following vulnerability CVE-2026-45491 dotnet: ASP.NET Core: Denial of Service via uncontrolled resource...

RLSA-2026:25115 Important: .NET 10.0 security update

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 10.0.109 and .NET Runtime...

RLSA-2026:25112 Important: .NET 9.0 security update

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 9.0.118 and .NET Runtime...