Most recent entries from all

ALSA-2026:54538 — Important: .NET 8.0 security, bug fix, and enhancement update

2026-10-02T16:29:29.976529+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 fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 8.0.130 Runtime version: 8.0.30

Security Fix(es):

* .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899) * .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900) * .NET: .NET Denial of Service Vulnerability (CVE-2026-62901) * .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)

Bug Fix(es) and Enhancement(s):

* Update .NET 8.0 to SDK 8.0.130 and Runtime 8.0.30 (JIRA:AlmaLinux-235468)

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:2026-15093

2026-10-02T16:29:29.976630+00:00

bdu:2026-15093

BELL-CVE-2026-62901

2026-10-02T16:29:29.976649+00:00

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

BIT-dotnet-2026-62901 — .NET Denial of Service Vulnerability

2026-10-02T16:29:29.976669+00:00

Affected: Bitnami: dotnet

Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.

certfr-2026-avi-1001 — De multiples vulnérabilités ont été découvertes dans Microsoft Windows. Certaines d'entre elles permettent à un attaqua…

2026-10-02T16:29:29.976690+00:00

certfr-2026-avi-1001

EUVD-2026-378452

2026-10-02T16:29:29.976706+00:00

EUVD-2026-378452

fkie_cve-2026-62901

2026-10-02T16:29:29.976717+00:00

Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.

GHSA-m93f-wj8c-rp8p — Microsoft Security Advisory CVE-2026-62901 – .NET Denial of Service Vulnerability

2026-10-02T16:29:29.976737+00:00

Affected: NuGet: Microsoft.NETCore.App.Runtime.win-arm64, NuGet: Microsoft.NETCore.App.Runtime.win-x64, NuGet: Microsoft.NETCore.App.Runtime.win-x86, 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 and 1 more

## Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.WebSockets. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

An unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.

## Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/428

## CVSS Details

- **Version:** 3.1 - **Severity:** High - **Score:** 7.5 - **Vector:** `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C` - **Weakness:** CWE-606: Unchecked Input for Loop Condition

## Affected Platforms

- **Platforms:** Windows, Linux, macOS - **Architectures:** All

## Affected Packages The vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below

### .NET 10 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [Microsoft.NETCore.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.win-arm64) | >= 10.0.0, <= 10.0.10 | 10.0.11 [Microsoft.NETCore.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.win-x64) | >= 10.0.0, <= 10.0.10 | 10.0.11 [Microsoft.NETCore.App.Runtime.win-x86](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.win-x86) | >=…

msrc_CVE-2026-62901 — .NET Denial of Service Vulnerability

2026-10-02T16:29:29.976842+00:00

msrc_CVE-2026-62901

NCSC-2026-0285 — Kwetsbaarheden verholpen in Microsoft Developer Tools

2026-10-02T16:29:29.976861+00:00

NCSC-2026-0285

RHSA-2026:44914 — Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

2026-10-02T16:29:29.976908+00:00

.NET: .NET Core: .NET Security Feature Bypass Vulnerability .NET: .NET Information Disclosure Vulnerability .NET: .NET Denial of Service Vulnerability dotnet: .NET: Information Disclosure Vulnerability .NET: .NET Elevation of Privilege Vulnerability

RHSA-2026:54538 — Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

2026-10-02T16:29:29.976931+00:00

.NET: .NET Core: .NET Security Feature Bypass Vulnerability .NET: .NET Information Disclosure Vulnerability .NET: .NET Denial of Service Vulnerability .NET: .NET Elevation of Privilege Vulnerability

RLSA-2026:54538 — Important: .NET 8.0 security, bug fix, and enhancement update

2026-10-02T16:29:29.976951+00:00

Affected: Rocky Linux:8: dotnet8.0

SDK version: 8.0.130 Runtime version: 8.0.30

Security Fix(es):

* .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899)

* .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900)

* .NET: .NET Denial of Service Vulnerability (CVE-2026-62901)

* .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)

Bug Fix(es) and Enhancement(s):

* Update .NET 8.0 to SDK 8.0.130 and Runtime 8.0.30 (JIRA:Rocky Linux-235468)

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.

UBUNTU-CVE-2026-62901

2026-10-02T16:29:29.976983+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:26.04:LTS: dotnet10

Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.

WID-SEC-W-2026-2761 — Microsoft Developer Tools: Mehrere Schwachstellen

2026-10-02T16:29:29.977009+00:00

Ein Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio Code, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2016, Microsoft .NET Framework, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025, Microsoft PowerShell, Microsoft Windows, Microsoft .NET, Microsoft Visual Studio 2022 und Microsoft Visual Studio 2026 ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.