Linux · Amazon Linux · Security advisory · October 23, 2025

ALAS2023-2025-1230: Security update for 18 packages

ALAS2023-2025-1230, released October 23, 2025, fixes 3 CVEs across 18 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
9.9
Base score, 0 to 10
Highest EPSS
0.6716
99th percentile

Priority of the 3 CVEs

Patch now 0 Urgent 0 High 3 Routine 0

Fixed package versions

ProductReleaseFixed in
aspnetcore-runtime-8.0amzn 20238.0.21-1.amzn2023.0.1
aspnetcore-runtime-dbg-8.0amzn 20238.0.21-1.amzn2023.0.1
aspnetcore-targeting-pack-8.0amzn 20238.0.21-1.amzn2023.0.1
dotnet-apphost-pack-8.0amzn 20238.0.21-1.amzn2023.0.1
dotnet-apphost-pack-8.0-debuginfoamzn 20238.0.21-1.amzn2023.0.1
dotnet-hostfxr-8.0amzn 20238.0.21-1.amzn2023.0.1
dotnet-hostfxr-8.0-debuginfoamzn 20238.0.21-1.amzn2023.0.1
dotnet-runtime-8.0amzn 20238.0.21-1.amzn2023.0.1
dotnet-runtime-8.0-debuginfoamzn 20238.0.21-1.amzn2023.0.1
dotnet-runtime-dbg-8.0amzn 20238.0.21-1.amzn2023.0.1
dotnet-sdk-8.0amzn 20238.0.121-1.amzn2023.0.1
dotnet-sdk-8.0-debuginfoamzn 20238.0.121-1.amzn2023.0.1
dotnet-sdk-8.0-source-built-artifactsamzn 20238.0.121-1.amzn2023.0.1
dotnet-sdk-dbg-8.0amzn 20238.0.121-1.amzn2023.0.1
dotnet-targeting-pack-8.0amzn 20238.0.21-1.amzn2023.0.1
dotnet-templates-8.0amzn 20238.0.121-1.amzn2023.0.1
dotnet8.0-debuginfoamzn 20238.0.121-1.amzn2023.0.1
dotnet8.0-debugsourceamzn 20238.0.121-1.amzn2023.0.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2025-55315 ASP.NET Security Feature Bypass Vulnerability9.9 0.6716 Exploitation Less Likely
High CVE-2025-55248 .NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability8.5 0.0074 Exploitation Less Likely
High CVE-2025-55247 .NET Elevation of Privilege Vulnerability8.5 0.0062 Exploitation Less Likely
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