RLSA-2026:41895 Important: .NET 9.0 security, bug fix, and enhancement 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 9.0.119 and .NET Runtime 9.0.18...

Important: Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update

An update for .NET 10.0 is now available for Red Hat Enterprise Linux 10. 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 fro...

Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : .NET vulnerabilities (USN-8553-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8553-1 advisory. Artur Stetsko discovered that the .NET did not properly validate authentication data. An attacker could possibly use this issue t...

vulnerabilities handled in Microsoft Developer Tools

Microsoft has identified vulnerabilities in Developer Tools, including .NET and Visual Studio. A malicious individual could exploit these vulnerabilities to execute attacks that can cause damage in the categories mentioned in the attached table. For successful exploitation, the malicious actor...

Fedora 43 : dotnet9.0 (2026-2954cd11bd)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-2954cd11bd advisory. Update to .NET SDK 9.0.118 and Runtime 9.0.17 Fixes: CVE-2026-45490,CVE-2026-45491,CVE-2026-45591 Release Notes: - SDK:...

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...

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...

RockyLinux 9 : .NET 8.0 (RLSA-2026:25220)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:25220 advisory. dotnet: .NET: Local file tampering via link following vulnerability CVE-2026-45491 dotnet: ASP.NET Core: Denial of Service via uncontrolled resource...

AlmaLinux 8 : .NET 9.0 (ALSA-2026:25113)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:25113 advisory. dotnet: .NET: Local file tampering via link following vulnerability CVE-2026-45491 dotnet: ASP.NET Core: Denial of Service via uncontrolled resource...

RHEL 10 : .NET 9.0 (RHSA-2026:25112)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25112 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...

AlmaLinux 10 : .NET 9.0 (ALSA-2026:25112)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:25112 advisory. dotnet: .NET: Local file tampering via link following vulnerability CVE-2026-45491 dotnet: ASP.NET Core: Denial of Service via uncontrolled resource...

RHEL 9 : .NET 9.0 (RHSA-2026:13282)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13282 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...

RHEL 9 : .NET 8.0 (RHSA-2026:13283)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13283 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...

Amazon Linux 2023 : aspnetcore-runtime-8.0, aspnetcore-runtime-dbg-8.0, aspnetcore-targeting-pack-8.0 (ALAS2023-2026-1629)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1629 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...

AlmaLinux 10 : .NET 9.0 (ALSA-2026:8472)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8472 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet...

AlmaLinux 10 : .NET 8.0 (ALSA-2026:8470)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8470 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet...

AlmaLinux 8 : .NET 8.0 (ALSA-2026:8468)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8468 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet:...

AlmaLinux 8 : .NET 9.0 (ALSA-2026:8475)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8475 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet:...

AlmaLinux 8 : .NET 10.0 (ALSA-2026:8473)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8473 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet:...

RockyLinux 10 : .NET 10.0 (RLSA-2026:8467)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:8467 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotne...