https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-03T05:49:23.863600+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/alsa-2025:18148 ALSA-2025:18148 — Important: .NET 8.0 security update 2026-10-03T05:49:24.017338+00:00

Affected: AlmaLinux:8: aspnetcore-runtime-8.0, AlmaLinux:8: aspnetcore-runtime-dbg-8.0, AlmaLinux:8: aspnetcore-targeting-pack-8.0, AlmaLinux:8: dotnet-apphost-pack-8.0, AlmaLinux:8: dotnet-hostfxr-8.0, AlmaLinux:8: dotnet-runtime-8.0, AlmaLinux:8: dotnet-runtime-dbg-8.0, AlmaLinux:8: dotnet-sdk-8.0, AlmaLinux:8: dotnet-sdk-8.0-source-built-artifacts, AlmaLinux:8: dotnet-sdk-dbg-8.0 and 2 more

.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 8.0.121 and .NET Runtime 8.0.21.Security Fix(es):

* dotnet: .NET Information Disclosure Vulnerability (CVE-2025-55248) * dotnet: .NET Security Feature Bypass Vulnerability (CVE-2025-55315) * dotnet: .NET Denial of Service Vulnerability (CVE-2025-55247)

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.

 https://cve.radiocsirt.org/vuln/bdu:2025-13256 bdu:2025-13256 2026-10-03T05:49:24.017428+00:00 bdu:2025-13256 https://cve.radiocsirt.org/vuln/bell-cve-2025-55247 BELL-CVE-2025-55247 2026-10-03T05:49:24.017445+00:00

Affected: Alpaquita:25: dotnet8-runtime, Alpaquita:25: dotnet8-sdk, Alpaquita:stream: dotnet8-runtime, Alpaquita:stream: dotnet8-sdk

 https://cve.radiocsirt.org/vuln/bit-dotnet-2025-55247 BIT-dotnet-2025-55247 — .NET Elevation of Privilege Vulnerability 2026-10-03T05:49:24.017468+00:00

Affected: Bitnami: dotnet

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

 https://cve.radiocsirt.org/vuln/certfr-2025-avi-0880 certfr-2025-avi-0880 — De multiples vulnérabilités ont été découvertes dans Microsoft .Net. Elles permettent à un attaquant de provoquer une é… 2026-10-03T05:49:24.017488+00:00 certfr-2025-avi-0880 https://cve.radiocsirt.org/vuln/euvd-2026-269111 EUVD-2026-269111 2026-10-03T05:49:24.017504+00:00 EUVD-2026-269111 https://cve.radiocsirt.org/vuln/fkie_cve-2025-55247 fkie_cve-2025-55247 2026-10-03T05:49:24.017514+00:00

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

 https://cve.radiocsirt.org/vuln/ghsa-w3q9-fxm7-j8fq GHSA-w3q9-fxm7-j8fq — Microsoft Security Advisory CVE-2025-55247 | .NET Denial of Service Vulnerability 2026-10-03T05:49:24.017534+00:00

Affected: NuGet: Microsoft.Build.Tasks.Core, NuGet: Microsoft.Build, NuGet: Microsoft.Build.Utilities.Core

# Microsoft Security Advisory CVE-2025-55247 | .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 8.0.xxx, .NET 9.0.xxx and .NET 10.0.xxx. This advisory also provides guidance on what developers can do to update their environments to remove this vulnerability.

A vulnerability exists in .NET where predictable paths for MSBuild's temporary directories on Linux let another user create the directories ahead of MSBuild, leading to DoS of builds. This only affects .NET on Linux operating systems.

## Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/370

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

Projects which do not utilize the [DownloadFile](https://learn.microsoft.com/visualstudio/msbuild/downloadfile-task) build task are not susceptible to this vulnerability.

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

* Any installation of .NET 10.0.100-rc.1.25451.107 SDK or earlier. * Any installation of .NET 9.0.110 SDK, .NET 9.0.305 SDK or earlier. * Any installation of .NET 8.0.120 SDK, .NET 8.0.317 SDK, .NET 8.0.414 SDK 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 ------------ |-----…

 https://cve.radiocsirt.org/vuln/msrc_cve-2025-55247 msrc_CVE-2025-55247 — .NET Elevation of Privilege Vulnerability 2026-10-03T05:49:24.017608+00:00 msrc_CVE-2025-55247 https://cve.radiocsirt.org/vuln/rhba-2025:20916 RHBA-2025:20916 — Red Hat Bug Fix Advisory: .NET 10.0 bug fix and enhancement update 2026-10-03T05:49:24.017632+00:00

dotnet: .NET Denial of Service Vulnerability dotnet: .NET Security Feature Bypass Vulnerability

 https://cve.radiocsirt.org/vuln/rhba-2025:20993 RHBA-2025:20993 — Red Hat Bug Fix Advisory: .NET 10.0 bug fix and enhancement update 2026-10-03T05:49:24.017651+00:00

dotnet: .NET Denial of Service Vulnerability dotnet: .NET Security Feature Bypass Vulnerability

 https://cve.radiocsirt.org/vuln/ubuntu-cve-2025-55247 UBUNTU-CVE-2025-55247 2026-10-03T05:49:24.017668+00:00

Affected: Ubuntu:22.04:LTS: dotnet6, Ubuntu:22.04:LTS: dotnet7, Ubuntu:22.04:LTS: dotnet8, Ubuntu:24.04:LTS: dotnet10, Ubuntu:24.04:LTS: dotnet8, Ubuntu:25.10: dotnet10, Ubuntu:25.10: dotnet8, Ubuntu:25.10: dotnet9, Ubuntu:26.04:LTS: dotnet10

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

 https://cve.radiocsirt.org/vuln/wid-sec-w-2025-2278 WID-SEC-W-2025-2278 — Microsoft Developer Tools: Mehrere Schwachstellen 2026-10-03T05:49:24.017696+00:00

Ein Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio, .NET Framework, Windows Server, ASP.NET, PowerShell und Windows ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um seine Privilegien zu erhöhen, und um Informationen offenzulegen.