aspnetcore-runtime-8.0 8.0.27-0ubuntu1~22.04.1: aspnetcore-runtime-8.0 8.0.27-0ubuntu1~22.04.1 for Ubuntu 22.04.1 LTS (jammy)

aspnetcore-runtime-8.0 8.0.27-0ubuntu1~22.04.1, released May 27, 2026, fixes 1 CVE in aspnetcore-runtime-8.0. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0243

84th percentile

Fixed package versions

Product	Release	Fixed in
aspnetcore-runtime-8.0	Ubuntu 22.04.1 LTS (jammy)	8.0.27-0ubuntu1~22.04.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-42899	ASP.NET Core Denial of Service Vulnerability	7.5	0.0243	Exploitation Unlikely

Also fixes CVE-2026-42899

Microsoft .NET Windows Desktop Runtime 8.0 8.0.30
Microsoft .NET Windows Desktop Runtime 8.0
KB5093446
.NET 10.0 runtime installed on Linux, .NET 10.0 runtime installed on Mac OS, .NET 10.0 runtime installed on Windows
KB5093447
.NET 8.0 runtime installed on Linux, .NET 8.0 runtime installed on Mac OS, .NET 8.0 runtime installed on Windows
KB5093448
.NET 9.0 runtime installed on Linux, .NET 9.0 runtime installed on Mac OS, .NET 9.0 runtime installed on Windows
ELSA-2026-21286
aspnetcore-runtime-8.0, aspnetcore-runtime-dbg-8.0, aspnetcore-targeting-pack-8.0 and 9 more on ol 10
ELSA-2026-21293
aspnetcore-runtime-8.0, aspnetcore-runtime-dbg-8.0, aspnetcore-targeting-pack-8.0 and 9 more on ol 9
ALAS2023-2026-1802
aspnetcore-runtime-9.0, aspnetcore-runtime-dbg-9.0, aspnetcore-targeting-pack-9.0 and 16 more on amzn 2023
ALAS2023-2026-1803
aspnetcore-runtime-10.0, aspnetcore-runtime-dbg-10.0, aspnetcore-targeting-pack-10.0 and 17 more on amzn 2023

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/ubuntu-jammy-aspnetcore-runtime-8.0-8.0.27-0ubuntu1-22.04.1">aspnetcore-runtime-8.0 8.0.27-0ubuntu1~22.04.1 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.