Moderate severityNVD Advisory· Published Oct 14, 2025· Updated Feb 22, 2026
.NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability
CVE-2025-55248
Description
Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.osx-arm64NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.osx-x64NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.win-armNuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.win-arm64NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.win-x64NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.win-x86NuGet | >= 9.0.0, < 9.0.10 | 9.0.10 |
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.osx-arm64NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.osx-x64NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.win-armNuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.win-arm64NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.win-x64NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Microsoft.NetCore.App.Runtime.win-x86NuGet | >= 8.0.0, < 8.0.21 | 8.0.21 |
Affected products
61- osv-coords46 versionspkg:apk/chainguard/dotnet-bootstrap-8pkg:apk/chainguard/dotnet-bootstrap-9pkg:apk/wolfi/dotnet-bootstrap-8pkg:apk/wolfi/dotnet-bootstrap-9pkg:bitnami/dotnetpkg:bitnami/dotnet-sdkpkg:nuget/microsoft.netcore.app.runtime.linux-armpkg:nuget/microsoft.netcore.app.runtime.linux-arm64pkg:nuget/microsoft.netcore.app.runtime.linux-musl-armpkg:nuget/microsoft.netcore.app.runtime.linux-musl-arm64pkg:nuget/microsoft.netcore.app.runtime.linux-musl-x64pkg:nuget/microsoft.netcore.app.runtime.linux-x64pkg:nuget/microsoft.netcore.app.runtime.osx-arm64pkg:nuget/microsoft.netcore.app.runtime.osx-x64pkg:nuget/microsoft.netcore.app.runtime.win-armpkg:nuget/microsoft.netcore.app.runtime.win-arm64pkg:nuget/microsoft.netcore.app.runtime.win-x64pkg:nuget/microsoft.netcore.app.runtime.win-x86pkg:rpm/almalinux/aspnetcore-runtime-8.0pkg:rpm/almalinux/aspnetcore-runtime-9.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-8.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-9.0pkg:rpm/almalinux/aspnetcore-targeting-pack-8.0pkg:rpm/almalinux/aspnetcore-targeting-pack-9.0pkg:rpm/almalinux/dotnetpkg:rpm/almalinux/dotnet-apphost-pack-8.0pkg:rpm/almalinux/dotnet-apphost-pack-9.0pkg:rpm/almalinux/dotnet-hostpkg:rpm/almalinux/dotnet-hostfxr-8.0pkg:rpm/almalinux/dotnet-hostfxr-9.0pkg:rpm/almalinux/dotnet-runtime-8.0pkg:rpm/almalinux/dotnet-runtime-9.0pkg:rpm/almalinux/dotnet-runtime-dbg-8.0pkg:rpm/almalinux/dotnet-runtime-dbg-9.0pkg:rpm/almalinux/dotnet-sdk-8.0pkg:rpm/almalinux/dotnet-sdk-8.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-9.0pkg:rpm/almalinux/dotnet-sdk-9.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-aot-9.0pkg:rpm/almalinux/dotnet-sdk-dbg-8.0pkg:rpm/almalinux/dotnet-sdk-dbg-9.0pkg:rpm/almalinux/dotnet-targeting-pack-8.0pkg:rpm/almalinux/dotnet-targeting-pack-9.0pkg:rpm/almalinux/dotnet-templates-8.0pkg:rpm/almalinux/dotnet-templates-9.0pkg:rpm/almalinux/netstandard-targeting-pack-2.1
< 8.0.122-r0+ 45 more
- (no CPE)range: < 8.0.122-r0
- (no CPE)range: < 9.0.112-r0
- (no CPE)range: < 8.0.122-r0
- (no CPE)range: < 9.0.112-r0
- (no CPE)range: >= 8.0.0, < 8.0.21
- (no CPE)range: >= 8.0.0, < 8.0.21
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: >= 9.0.0, < 9.0.10
- (no CPE)range: < 8.0.21-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 8.0.21-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 8.0.21-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 9.0.111-1.el8_10
- (no CPE)range: < 8.0.21-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 8.0.21-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 8.0.21-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 8.0.21-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 8.0.121-1.el8_10
- (no CPE)range: < 8.0.121-1.el8_10
- (no CPE)range: < 9.0.111-1.el8_10
- (no CPE)range: < 9.0.111-1.el8_10
- (no CPE)range: < 9.0.111-1.el8_10
- (no CPE)range: < 8.0.121-1.el8_10
- (no CPE)range: < 9.0.111-1.el8_10
- (no CPE)range: < 8.0.21-1.el8_10
- (no CPE)range: < 9.0.10-1.el8_10
- (no CPE)range: < 8.0.121-1.el8_10
- (no CPE)range: < 9.0.111-1.el8_10
- (no CPE)range: < 9.0.111-1.el8_10
2.0.0+ 9 more
- (no CPE)range: 2.0.0
- (no CPE)range: 3.0.0
- (no CPE)range: 3.5.0
- (no CPE)range: 3.5.0
- (no CPE)range: 4.7.0
- (no CPE)range: 4.8.0
- (no CPE)range: 4.8.1
- (no CPE)range: 4.7.0
- (no CPE)range: 4.7.0
- (no CPE)range: 4.8.0
- Microsoft/Microsoft Visual Studio 2022 version 17.10v5Range: 17.10.0
- Microsoft/Microsoft Visual Studio 2022 version 17.12v5Range: 17.12.0
- Microsoft/Microsoft Visual Studio 2022 version 17.14v5Range: 17.14.0
- Microsoft/.NET 8.0v5Range: 8.0.0
- Microsoft/.NET 9.0v5Range: 9.0.0
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-gwq6-fmvp-qp68ghsaADVISORY
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55248ghsavendor-advisorypatchWEB
- github.com/dotnet/announcements/issues/372ghsaWEB
- github.com/dotnet/runtime/issues/120713ghsaWEB
- github.com/dotnet/runtime/security/advisories/GHSA-gwq6-fmvp-qp68ghsaWEB
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