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ALSA-2024:1308 — Moderate: .NET 7.0 security update

Affected: AlmaLinux:8: aspnetcore-runtime-7.0, AlmaLinux:8: aspnetcore-targeting-pack-7.0, AlmaLinux:8: dotnet-apphost-pack-7.0, AlmaLinux:8: dotnet-hostfxr-7.0, AlmaLinux:8: dotnet-runtime-7.0, AlmaLinux:8: dotnet-sdk-7.0, AlmaLinux:8: dotnet-sdk-7.0-source-built-artifacts, AlmaLinux:8: dotnet-targeting-pack-7.0, AlmaLinux:8: dotnet-templates-7.0

.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 7.0.117 and .NET Runtime 7.0.17.

Security Fix(es):

* dotnet: DoS in .NET Core / YARP HTTP / 2 WebSocket support (CVE-2024-21392)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2024-01980

BIT-dotnet-2024-21392 — .NET and Visual Studio Denial of Service Vulnerability

Affected: Bitnami: dotnet

.NET and Visual Studio Denial of Service Vulnerability

certfr-2024-avi-0206 — De multiples vulnérabilités ont été découvertes dans Microsoft .Net. Elles permettent à un…

certfr-2024-avi-0206

CLEANSTART-2025-HL91061 — .NET and Visual Studio Denial of Service Vulnerability

Affected: CleanStart: dotnet8-runtime

Security vulnerability affects the dotnet8-runtime package. .

EUVD-2026-237039

fkie_cve-2024-21392

.NET and Visual Studio Denial of Service Vulnerability

GHSA-5fxj-whcv-crrc — Microsoft Security Advisory CVE-2024-21392: .NET Denial of Service Vulnerability

Affected: NuGet: Microsoft.NETCore.App.Runtime.linux-arm, NuGet: Microsoft.NETCore.App.Runtime.linux-arm64, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-arm, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-arm64, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-x64, NuGet: Microsoft.NETCore.App.Runtime.linux-x64, NuGet: Microsoft.NETCore.App.Runtime.osx-arm64, NuGet: Microsoft.NETCore.App.Runtime.osx-x64, NuGet: Microsoft.NETCore.App.Runtime.win-arm, NuGet: Microsoft.NETCore.App.Runtime.win-arm64 and 2 more

# Microsoft Security Advisory CVE-2024-21392: .NET Denial of Service Vulnerability

## <a name="executive-summary"></a>Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 8.0 . This advisory also provides guidance on what developers can do to update their applications to address this vulnerability.

A vulnerability exists in .NET where specially crafted requests may cause a resource leak, leading to a Denial of Service

## Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/299

### <a name="mitigation-factors"></a>Mitigation factors

Microsoft has not identified any mitigating factors for this vulnerability.

## <a name="affected-software"></a>Affected software

* Any .NET 7.0 application running on .NET 7.0.16 or earlier. * Any .NET 8.0 application running on .NET 8.0.2 or earlier.

## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NET Core project if it uses any of affected packages versions listed below

Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [Microsoft.NETCore.App.Runtime.linux-arm](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-arm) | <= 7.0.16 | 7.0.17 [Microsoft.NETCore.App.Runtime.linux-arm64](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-arm64) | <= 7.0.16…

gsd-2024-21392

msrc_CVE-2024-21392 — .NET and Visual Studio Denial of Service Vulnerability

msrc_CVE-2024-21392

RHSA-2024:1308 — Red Hat Security Advisory: .NET 7.0 security update

dotnet: DoS in .NET Core / YARP HTTP / 2 WebSocket support

UBUNTU-CVE-2024-21392

Affected: Ubuntu:22.04:LTS: dotnet7, Ubuntu:22.04:LTS: dotnet8

.NET and Visual Studio Denial of Service Vulnerability

WID-SEC-W-2024-0611 — Microsoft Visual Studio 2022: Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio 2022, Microsoft Visual Studio Code und Microsoft .NET Framework ausnutzen, um einen Denial of Service Angriff durchzuführen oder seine Privilegien zu erweitern.