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ALSA-2026:92420 — Important: .NET 8.0 security, bug fix, and enhancement update

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: 8.0.133 Runtime version: 8.0.33

Security Fix(es):

* brotli: Out-of-Bounds Write in Google Brotli Decoder (CVE-2026-111497) * dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114148)

Bug Fix(es) and Enhancement(s):

* Update .NET 8.0 to SDK 8.0.133 and Runtime 8.0.33 (JIRA:RHEL-291714)

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.

certfr-2026-avi-1382 — De multiples vulnérabilités ont été découvertes dans Microsoft .Net. Elles permettent à un attaquant de provoquer une é…

certfr-2026-avi-1382

fkie_cve-2026-114148

Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.

RHSA-2026:91709 — Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

brotli: Out-of-Bounds Write in Google Brotli Decoder dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability

RHSA-2026:92420 — security update for dotnet8.0

security update for dotnet8.0

UBUNTU-CVE-2026-114148

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:26.10: dotnet10, Ubuntu:26.10: dotnet11, Ubuntu:26.04:LTS: dotnet10

Unsafe ownership metadata in affected .NET tarballs could allow a local attacker to modify files and gain elevated privileges.