Linux · Amazon Linux · Security advisory · November 7, 2026

ALAS2023-2026-3367: Security update for 22 packages

ALAS2023-2026-3367, released November 7, 2026, fixes 25 CVEs across 22 products. One of them is being exploited (CVE-2026-111497); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV1 publicly disclosed
CVEs closed
25
1 rated Critical
Exploited
1
CVE-2026-111497
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.8264
99th percentile

Priority of the 25 CVEs

Patch now 1 Urgent 1 High 23 Routine 0

Fixed package versions

ProductReleaseFixed in
aspnetcore-runtime-8.0amzn 20238.0.33-1.amzn2023.0.1
aspnetcore-runtime-dbg-8.0amzn 20238.0.33-1.amzn2023.0.1
aspnetcore-targeting-pack-8.0amzn 20238.0.33-1.amzn2023.0.1
dotnetamzn 20238.0.133-1.amzn2023.0.1
dotnet-apphost-pack-8.0amzn 20238.0.33-1.amzn2023.0.1
dotnet-apphost-pack-8.0-debuginfoamzn 20238.0.33-1.amzn2023.0.1
dotnet-hostamzn 20238.0.33-1.amzn2023.0.1
dotnet-host-debuginfoamzn 20238.0.33-1.amzn2023.0.1
dotnet-hostfxr-8.0amzn 20238.0.33-1.amzn2023.0.1
dotnet-hostfxr-8.0-debuginfoamzn 20238.0.33-1.amzn2023.0.1
dotnet-runtime-8.0amzn 20238.0.33-1.amzn2023.0.1
dotnet-runtime-8.0-debuginfoamzn 20238.0.33-1.amzn2023.0.1
dotnet-runtime-dbg-8.0amzn 20238.0.33-1.amzn2023.0.1
dotnet-sdk-8.0amzn 20238.0.133-1.amzn2023.0.1
dotnet-sdk-8.0-debuginfoamzn 20238.0.133-1.amzn2023.0.1
dotnet-sdk-8.0-source-built-artifactsamzn 20238.0.133-1.amzn2023.0.1
dotnet-sdk-dbg-8.0amzn 20238.0.133-1.amzn2023.0.1
dotnet-targeting-pack-8.0amzn 20238.0.33-1.amzn2023.0.1
dotnet-templates-8.0amzn 20238.0.133-1.amzn2023.0.1
dotnet8.0-debuginfoamzn 20238.0.133-1.amzn2023.0.1
dotnet8.0-debugsourceamzn 20238.0.133-1.amzn2023.0.1
netstandard-targeting-pack-2.1amzn 20238.0.133-1.amzn2023.0.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Patch now CVE-2026-111497 Google: CVE-2026-111497 Buffer overflow vulnerability in the Brotli decoder9.8 0.8264 KEVDisclosedExploited
Urgent CVE-2026-96222 Active Directory Federation Services (AD FS) Spoofing Vulnerability9.4 0.0059 Exploitation Less Likely
High CVE-2026-83520 .NET Remote Code Execution Vulnerability8.8 0.0144 Exploitation Less Likely
High CVE-2026-58280 .NET Denial of Service Vulnerability9.4 0.0125 Exploitation Less Likely
High CVE-2026-69651 .NET Denial of Service Vulnerability9.4 0.0125 Exploitation Less Likely
High CVE-2026-70159 ASP.NET Core Denial of Service Vulnerability9.4 0.0123 Exploitation Less Likely
High CVE-2026-70181 ASP.NET Core Denial of Service Vulnerability9.4 0.0123 Exploitation Less Likely
High CVE-2026-96958 .NET Denial of Service Vulnerability7.5 0.0120 Exploitation Less Likely
High CVE-2026-96960 .NET Denial of Service Vulnerability7.5 0.0120 Exploitation Less Likely
High CVE-2026-96236 ASP.NET Core Denial of Service Vulnerability9.4 0.0109 Exploitation Less Likely
High CVE-2026-96233 ASP.NET Core Denial of Service Vulnerability9.4 0.0099 Exploitation Unlikely
High CVE-2026-84008 .NET Denial of Service Vulnerability7.5 0.0099 Exploitation Less Likely
High CVE-2026-96959 .NET Denial of Service Vulnerability7.5 0.0097 Exploitation Less Likely
High CVE-2026-70186 ASP.NET Core Denial of Service Vulnerability9.4 0.0096 Exploitation Less Likely
High CVE-2026-109468 ASP.NET Core Denial of Service Vulnerability7.5 0.0095 Exploitation Less Likely
High CVE-2026-102870 ASP.NET Core Remote Code Execution Vulnerability9.4 0.0091 Exploitation Less Likely
High CVE-2026-70007 .NET Framework Remote Code Execution Vulnerability8.8 0.0080 Exploitation Less Likely
High CVE-2026-70197 .NET and Visual Studio Remote Code Execution Vulnerability8.1 0.0079 Exploitation Less Likely
High CVE-2026-70175 ASP.NET Core Elevation of Privilege Vulnerability9.4 0.0073 Exploitation Less Likely
High CVE-2026-96237 .NET Remote Code Execution Vulnerability9.4 0.0064 Exploitation Less Likely
High CVE-2026-70179 ASP.NET Core Elevation of Privilege Vulnerability9.4 0.0063 Exploitation Less Likely
High CVE-2026-70183 ASP.NET Core Elevation of Privilege Vulnerability9.4 0.0053 Exploitation Less Likely
High CVE-2026-96225 .NET Elevation of Privilege Vulnerability9.4 0.0041 Exploitation Less Likely
High CVE-2026-96231 .NET Elevation of Privilege Vulnerability9.4 0.0041 Exploitation Less Likely
High CVE-2026-114148 ASP.NET Core Elevation of Privilege Vulnerability8.1 0.0036 Exploitation Less Likely
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