RLSA-2026:4455 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...

RHSA-2026:4458 Red Hat Security Advisory: .NET 10.0 security update

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RHSA-2026:4456 Red Hat Security Advisory: .NET 9.0 security update

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RHSA-2026:4454 Red Hat Security Advisory: .NET 8.0 security update

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RHSA-2026:4453 Red Hat Security Advisory: .NET 10.0 security update

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RHSA-2026:4443 Red Hat Security Advisory: .NET 9.0 security update

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Oracle Linux 8 : .NET / 10.0 (ELSA-2026-4458)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-4458 advisory. 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-152949 Tenable has extracted...

RockyLinux 8 : .NET 8.0 (RLSA-2026:4455)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:4455 advisory. asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation CVE-2026-26130 Tenable has extracted the preceding description block directly from t...

Security Update for Microsoft .NET Core SDK (March 2026)

The version of .NET Core SDK installed on the remote host is 8.x prior to 8.0.125, 8.0.4xx prior to 8.0.419, 9.x prior to 9.0.115, 9.0.3xx prior to 9.312, or 10.x prior to 10.0.104. It is, therefore, affected by multiple vulnerabilities as referenced in the vendor advisory: - Out-of-bounds read i...

Oracle Linux 9 : .NET / 10.0 (ELSA-2026-4445)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-4445 advisory. 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 Tenable has extracted...

RockyLinux 10 : .NET 10.0 (RLSA-2026:4453)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:4453 advisory. .net: .NET: Denial of Service via out-of-bounds read CVE-2026-26127 asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation...

RockyLinux 10 : .NET 8.0 (RLSA-2026:4451)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:4451 advisory. asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation CVE-2026-26130 Tenable has extracted the preceding description block directly from...

AlmaLinux 10 : .NET 9.0 (ALSA-2026:4450)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:4450 advisory. .net: .NET: Denial of Service via out-of-bounds read CVE-2026-26127 asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation...

Oracle Linux 8 : .NET / 8.0 (ELSA-2026-4455)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-4455 advisory. 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 Tenable has extracted the precedi...

Oracle Linux 9 : .NET / 8.0 (ELSA-2026-4454)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-4454 advisory. 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-152936 Tenable has extracted the precedi...

AlmaLinux 10 : .NET 8.0 (ALSA-2026:4451)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:4451 advisory. asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation CVE-2026-26130 Tenable has extracted the preceding description block directly from t...

AlmaLinux 9 : .NET 8.0 (ALSA-2026:4454)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:4454 advisory. asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation CVE-2026-26130 Tenable has extracted the preceding description block directly from th...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : .NET vulnerabilities (USN-8085-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8085-1 advisory. It was discovered that the .NET Microsoft.Bcl.Memory NuGet package did not properly handle certain malformed Base64Url encoded input...

AlmaLinux 8 : .NET 9.0 (ALSA-2026:4443)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:4443 advisory. .net: .NET: Denial of Service via out-of-bounds read CVE-2026-26127 asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation...

AlmaLinux 8 : .NET 8.0 (ALSA-2026:4455)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:4455 advisory. asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation CVE-2026-26130 Tenable has extracted the preceding description block directly from th...