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

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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...

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...

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...

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...

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...

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...

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...

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...

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 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...

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...

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 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...

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...

.net: .NET: Denial of Service via out-of-bounds read

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...

asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation

A flaw was found in ASP.NET Core. This vulnerability allows an unauthorized attacker to perform a Denial of Service DoS attack over a network by allocating resources without limits or throttling. This can lead to the unavailability of the service for legitimate users...

Important: Red Hat Security Advisory: .NET 9.0 security update

An update for .NET 9.0 is now available for Red Hat Enterprise Linux 9. 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 from...

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. 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 from...

.net: .NET: Denial of Service via out-of-bounds read

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...