ALSA-2026:4443 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 9.0.115 and .NET Runtime...

ALSA-2026:4458 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 10.0.104 and .NET Runtime...

.NET 10.0 security update

10.0.104-1.0.1 - Add support for Oracle Linux 10.0.104-1 - Update to .NET SDK 10.0.104 and Runtime 10.0.4 - Resolves: RHEL-152952...

.NET 9.0 security update

9.0.115-1.0.1 - Add support for Oracle Linux 9.0.115-1 - Update to .NET SDK 9.0.115 and Runtime 9.0.14 - Resolves: RHEL-152944...

.NET 8.0 security update

8.0.125-1.0.1 - Add support for Oracle Linux 8.0.125-1 - Update to .NET SDK 8.0.125 and Runtime 8.0.25 - Resolves: RHEL-152929...

ALSA-2026:4454 Important: .NET 8.0 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 8.0.125 and .NET Runtime...

.NET Denial of Service Vulnerability

Microsoft Security Advisory CVE-2026-26127 – .NET Denial of Service Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 9.0 and .NET 10.0. This advisory also provides guidance on what developers can do to update their...

.NET Denial of Service Vulnerability

Microsoft Security Advisory CVE-2026-26130 – .NET 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...

EUVD-2026-10693

.NET Denial of Service Vulnerability...

GHSA-CRJQ-WM6X-6QX7 .NET Elevation of Privilege Vulnerability

Microsoft Security Advisory CVE-2026-26131 – .NET Elevation of Privilege Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 10.0. This advisory also provides guidance on what developers can do to update their...

CVE-2026-26127

A flaw was found in .NET. An unauthorized attacker can exploit an out-of-bounds read vulnerability over a network, leading to a Denial of Service DoS. This can prevent legitimate users from accessing the affected service. Mitigation To mitigate this issue, restrict network access to applications...

Linux Distros Unpatched Vulnerability : CVE-2026-26131

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally. CVE-2026-26131 Note that Nessus relies on the presence of the...

.NET Heap Buffer Overflow DoS

The vulnerability of the .NET software platform is related to reading data beyond the permitted range of memory. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

Vulnerabilities fixed in Microsoft Developer tools

Microsoft has fixed vulnerabilities in .NET and PowerShell. A malicious party could exploit the vulnerabilities to cause a denial-of-service or grant themselves elevated privileges within an application using the vulnerable .NET. .NET: |----------------|------|------------------------------------...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read when decoding malformed Base64Url input. An attacker can cause a disruption of service. Remediation Upgrade Microsoft.NETCore.App.Runtime.linux-musl-arm to version 9.0.14, 10.0.4 or higher. References - GitHub Commit ...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read when decoding malformed Base64Url input. An attacker can cause a disruption of service. Remediation Upgrade Microsoft.NETCore.App.Runtime.linux-x64 to version 9.0.14, 10.0.4 or higher. References - GitHub Commit -...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read when decoding malformed Base64Url input. An attacker can cause a disruption of service. Remediation Upgrade Microsoft.NETCore.App.Runtime.osx-x64 to version 9.0.14, 10.0.4 or higher. References - GitHub Commit - GitHu...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read when decoding malformed Base64Url input. An attacker can cause a disruption of service. Remediation Upgrade Microsoft.NETCore.App.Runtime.osx-arm64 to version 9.0.14, 10.0.4 or higher. References - GitHub Commit -...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read when decoding malformed Base64Url input. An attacker can cause a disruption of service. Remediation Upgrade Microsoft.NETCore.App.Runtime.linux-arm to version 9.0.14, 10.0.4 or higher. References - GitHub Commit -...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read when decoding malformed Base64Url input. An attacker can cause a disruption of service. Remediation Upgrade Microsoft.NETCore.App.Runtime.linux-arm64 to version 9.0.14, 10.0.4 or higher. References - GitHub Commit -...