Most recent entries from all

bdu:2023-06552

2026-10-03T20:09:08.590412+00:00

bdu:2023-06552

certfr-2021-avi-619 — De multiples vulnérabilités ont été corrigées dans Microsoft .Net. Elles permettent à un at…

2026-10-03T20:09:08.590449+00:00

certfr-2021-avi-619

EUVD-2026-349799

2026-10-03T20:09:08.590469+00:00

EUVD-2026-349799

fkie_cve-2021-34532

2026-10-03T20:09:08.590481+00:00

ASP.NET Core and Visual Studio Information Disclosure Vulnerability

GHSA-q7cg-43mg-qp69 — ASP.NET Core Information Disclosure Vulnerability

2026-10-03T20:09:08.590509+00:00

Affected: NuGet: Microsoft.AspNetCore.Authentication.JwtBearer

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 5.0, .NET Core 3.1 and .NET Core 2.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

An information disclosure vulnerability exists in .NET 5.0, .NET Core 3.1 and .NET Core 2.1 where a JWT token is logged if it cannot be parsed.

### Patches

* If you're using .NET 5.0, you should download and install Runtime 5.0.9 or SDK 5.0.206 (for Visual Studio 2019 v16.8) or SDK 5.0.303 (for Visual Studio 2019 V16.10) from https://dotnet.microsoft.com/download/dotnet-core/5.0.

* If you're using .NET Core 3.1, you should download and install Runtime 3.1.18 or SDK 3.1.118 (for Visual Studio 2019 v16.4) or 3.1.412 (for Visual Studio 2019 v16.7 or later) from https://dotnet.microsoft.com/download/dotnet-core/3.1.

* If you're using .NET Core 2.1, you should download and install Runtime 2.1.29 or SDK 2.1.525 (for Visual Studio 2019 v15.9) or 2.1.817 from https://dotnet.microsoft.com/download/dotnet-core/2.1.

* If your application is using .NET Core 2.1 running on .NET Framework see the [Updating .NET Core 2.1 on .NET Framework](#updating-2.1) section below.

### Updating .NET Core 2.1 on .NET Framework If you are running .NET Core 2.1 on .NET Framework you need to check your projects for dependencies and update them accordingly.

#### Direct dependencies

Direct dependencies are discoverabl…

gsd-2021-34532

2026-10-03T20:09:08.590572+00:00

gsd-2021-34532

msrc_CVE-2021-34532 — ASP.NET Core and Visual Studio Information Disclosure Vulnerability

2026-10-03T20:09:08.590585+00:00

msrc_CVE-2021-34532

RHSA-2021:3142 — Red Hat Security Advisory: .NET Core 3.1 security and bugfix update

2026-10-03T20:09:08.590603+00:00

dotnet: ASP.NET Core WebSocket frame processing DoS dotnet: Dump file created world-readable dotnet: ASP.NET Core JWT token logging

RHSA-2021:3143 — Red Hat Security Advisory: .NET Core 3.1 on RHEL 7 security and bugfix update

2026-10-03T20:09:08.590622+00:00

dotnet: ASP.NET Core WebSocket frame processing DoS dotnet: Dump file created world-readable dotnet: ASP.NET Core JWT token logging