Red Hat alert RHSA-2026:8472-01 (.NET 9.0) [LWN.net]

An update for .NET 9.0 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. .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. This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2026/rhsa-2026_8472.json