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High7.5Red Hat Linux

High [CVE-2026-33116] .NET: Denial of Service via Infinite Recursion in XmlDecryptionTransform

This high-severity Red Hat Linux advisory covers CVE-2026-33116 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.4 Extended Update Support.

CVE-2026-33116 Published Apr 14, 2026
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

.NET: Denial of Service via Infinite Recursion in XmlDecryptionTransform. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-776. Affected package(s): dotnet8.0, dotnet10.0, dotnet8, dotnet9.0, dotnet9, dotnet10.

Resolved in Red Hat advisory RHSA-2026:9080 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.4 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support; and 1 more.

Affected versions
  • dotnet8.0-0:8.0.126-1.el9_7
  • dotnet8.0-0:8.0.126-1.el9_6
  • dotnet8.0-0:8.0.126-1.el9_4
  • dotnet10.0-0:10.0.106-1.el9_7
  • dotnet8.0-0:8.0.126-1.el8_10
  • dotnet8-0-main-8.0.126-1.hum1
  • dotnet10.0-0:10.0.106-1.el10_1
  • dotnet9.0-0:9.0.116-1.el9_7
  • dotnet9.0-0:9.0.116-1.el9_6
  • dotnet9-0-main-9.0.116-1.hum1
  • dotnet8.0-0:8.0.126-1.el10_1
  • dotnet8.0-0:8.0.126-1.el10_0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:9080

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:9080 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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