Linux · Security advisory · May 27, 2026

ALSA-2026:21296: Security update for 14 packages

ALSA-2026:21296, released May 27, 2026, fixes 1 CVE across 14 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0243
84th percentile

Fixed package versions

ProductReleaseFixed in
aspnetcore-runtime-9.0almalinux 99.0.16-1.el9_8
aspnetcore-runtime-dbg-9.0almalinux 99.0.16-1.el9_8
aspnetcore-targeting-pack-9.0almalinux 99.0.16-1.el9_8
dotnet-apphost-pack-9.0almalinux 99.0.16-1.el9_8
dotnet-hostfxr-9.0almalinux 99.0.16-1.el9_8
dotnet-runtime-9.0almalinux 99.0.16-1.el9_8
dotnet-runtime-dbg-9.0almalinux 99.0.16-1.el9_8
dotnet-sdk-9.0almalinux 99.0.117-1.el9_8
dotnet-sdk-9.0-source-built-artifactsalmalinux 99.0.117-1.el9_8
dotnet-sdk-aot-9.0almalinux 99.0.117-1.el9_8
dotnet-sdk-dbg-9.0almalinux 99.0.117-1.el9_8
dotnet-targeting-pack-9.0almalinux 99.0.16-1.el9_8
dotnet-templates-9.0almalinux 99.0.117-1.el9_8
netstandard-targeting-pack-2.1almalinux 99.0.117-1.el9_8

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-42899 ASP.NET Core Denial of Service Vulnerability 7.5 0.0243 Exploitation Unlikely
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