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 Update Services for SAP Solutions. 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...

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...

RHSA-2026:28007 Red Hat Security Advisory: .NET 8.0 security update

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.NET 8.0 security update

8.0.128-1.0.1 - Add support for Oracle Linux 8.0.128-1 - Update to .NET SDK 8.0.128 and Runtime 8.0.28 - Resolves: RHEL-181055 8.0.127-1 - Update to .NET SDK 8.0.127 and Runtime 8.0.27 - Resolves: RHEL-173923...

.NET 10.0 security update

10.0.109-1.0.1 - Add support for Oracle Linux 10.0.109-1 - Update to .NET SDK 10.0.109 and Runtime 10.0.9 - Resolves: RHEL-181558 10.0.108-1 - Update to .NET SDK 10.0.108 and Runtime 10.0.8 - Resolves: RHEL-173910...

.NET 9.0 security update

9.0.118-1.0.1 - Add support for Oracle Linux 9.0.118-1 - Update to .NET SDK 9.0.118 and Runtime 9.0.17 - Resolves: RHEL-181553 9.0.117-1 - Update to .NET SDK 9.0.117 and Runtime 9.0.16 - Resolves: RHEL-173918...

CVE-2026-48502 MessagePack-CSharp: Denial of service vulnerabilities can swamp the CPU or crash the process with stack and heap overflows

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, MessagePackReader.ReadDateTime can allocate stack memory based on an attacker-controlled MessagePack extension length. In the slow path for timestamp extension parsing, the computed tokenSize includes the extension...

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

An update for .NET 8.0 is now available for Red Hat Enterprise Linux 9.6 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...

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: .NET 9.0 security update

An update for .NET 9.0 is now available for Red Hat Enterprise Linux 10.0 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 f...

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

An update for .NET 8.0 is now available for Red Hat Enterprise Linux 10.0 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 f...

BIT-DOTNET-SDK-2026-32177 .NET Elevation of Privilege Vulnerability

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally...

BIT-DOTNET-2026-32177 .NET Elevation of Privilege Vulnerability

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally...

BIT-DOTNET-2026-32175 .NET Core Tampering Vulnerability

A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the...

Important: dotnet10.0

Issue Overview: Improper authorization in .NET allows an authorized attacker to elevate privileges locally. CVE-2026-45490 Improper link resolution before file access 'link following' in .NET allows an unauthorized attacker to perform tampering locally. CVE-2026-45491 Uncontrolled resource...

RHEL 9 : .NET 8.0 (RHSA-2026:28011)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28011 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...

Important: dotnet9.0

Issue Overview: Improper authorization in .NET allows an authorized attacker to elevate privileges locally. CVE-2026-45490 Improper link resolution before file access 'link following' in .NET allows an unauthorized attacker to perform tampering locally. CVE-2026-45491 Uncontrolled resource...

RHEL 10 : .NET 8.0 (RHSA-2026:28007)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28007 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...

Important: dotnet8.0

Issue Overview: Improper authorization in .NET allows an authorized attacker to elevate privileges locally. CVE-2026-45490 Improper link resolution before file access 'link following' in .NET allows an unauthorized attacker to perform tampering locally. CVE-2026-45491 Uncontrolled resource...

Photon OS 5.0: Dotnet PHSA-2026-5.0-0884

An update of the dotnet package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-0884. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...