AlmaLinux alert ALSA-2025:18150 (.NET 9.0)

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[Announce]  [Security Advisory] ALSA-2025:18150: .NET 9.0 security update (Important)
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Mon, 03 Nov 2025 11:03:09 +0000
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<0100019a496297a4-fb2e8cc7-7a80-4669-978d-b87e4540ab07-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 8
Type: Security
Severity: Important
Release date: 2025-11-03

Summary:

.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 9.0.111 and .NET Runtime 9.0.10.Security Fix(es):  

  * dotnet: .NET Information Disclosure Vulnerability (CVE-2025-55248)
  * dotnet: .NET Security Feature Bypass Vulnerability (CVE-2025-55315)
  * dotnet: .NET Denial of Service Vulnerability (CVE-2025-55247)


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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/8/ALSA-2025-18150.html

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AlmaLinux Team
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