Red Hat Security Advisory: .NET 8.0 security update

Fixed packages 29

Vulnerabilities 4

• High 7.5
  CVE-2026-26171

  .NET Denial of Service Vulnerability

  Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

  Microsoft .NET 8.0 .NET 9.0 PowerShell 7.5 Ubuntu Alpine Wolfi NuGet
  Apr 14, 2026
• High 7.5
  CVE-2026-32178

  .NET Spoofing Vulnerability

  Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.

  Microsoft Microsoft Visual Studio 2022 version 17.14 Microsoft Visual Studio 2022 version 17.12 .NET 8.0 Ubuntu Alpine Wolfi NuGet
  Apr 14, 2026
• High 7.5
  CVE-2026-32203

  .NET and Visual Studio Denial of Service Vulnerability

  Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.

  Microsoft Microsoft Visual Studio 2022 version 17.14 Microsoft Visual Studio 2022 version 17.12 .NET 8.0 Ubuntu NuGet
  Apr 14, 2026
• High 7.5
  CVE-2026-33116

  .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

  Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.

  Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Microsoft .NET Framework 3.5 AND 4.7.2 Microsoft .NET Framework 3.5 AND 4.8 Ubuntu Alpine Wolfi NuGet
  Apr 14, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457739
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457740
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457741
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457781
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13693.json
• report
  https://access.redhat.com/security/cve/CVE-2026-26171
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-26171
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-26171
• report
  https://access.redhat.com/security/cve/CVE-2026-32178
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-32178
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-32178
• report
  https://access.redhat.com/security/cve/CVE-2026-32203
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-32203
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-32203
• report
  https://access.redhat.com/security/cve/CVE-2026-33116
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-33116
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-33116