[ALSA-2026:8472] Important: .NET 9.0 security update
Type:
security
Severity:
important
Release date:
2026-04-17
Description:
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 9.0.116 and .NET Runtime 9.0.15.Security Fix(es): * dotnet: .NET: Security Bypass and Denial of Service Vulnerability (CVE-2026-26171) * dotnet: .NET: Denial of Service via stack overflow (CVE-2026-32203) * dotnet: .NET: Denial of Service via Infinite Recursion in XmlDecryptionTransform (CVE-2026-33116) * dotnet: Dotnet: SMTP Command Injection and Header Injection via MailAddress parsing flaw (CVE-2026-32178) 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.
Updated packages listed below:
Architecture Package Checksum
aarch64 dotnet-sdk-9.0-source-built-artifacts-9.0.116-1.el10_1.aarch64.rpm b770dc98c8219779da1649887a6e6417881cc688e6c6f9cac5d09a591cec8951
ppc64le dotnet-sdk-9.0-source-built-artifacts-9.0.116-1.el10_1.ppc64le.rpm d66990484649f9c8748b97c75b76b7730b7e33dce89e86eb5771d1fb1a888b0a
s390x dotnet-sdk-9.0-source-built-artifacts-9.0.116-1.el10_1.s390x.rpm 7fb17bdacbb97f005f5e0b4b76ad71dfad6062391c762746af0cf8b84bd7b66e
x86_64 dotnet-sdk-9.0-source-built-artifacts-9.0.116-1.el10_1.x86_64.rpm 5d01d04ba3ce06c41e0817fb705e899f93f1fcf8138d1d2cb1ed61f74d08c696
x86_64_v2 dotnet-sdk-9.0-source-built-artifacts-9.0.116-1.el10_1.x86_64_v2.rpm 013f7c09c7278334f48d6f5d375b7eb6344df12be4ddbefd9bb6641523e22adc
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.