High7.5Vendor: MediumRed Hat Linux

High [CVE-2026-26127] .net: .NET: Denial of Service via out-of-bounds read

This high-severity Red Hat Linux advisory covers CVE-2026-26127 affecting Red Hat Enterprise Linux 1, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 8.

CVE-2026-26127 Published Mar 10, 2026

CVE-2026-26127

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

.net:.NET: Denial of Service via out-of-bounds read. Red Hat rates this moderate (CVSS 7.5).

Weakness: CWE-125. Affected package(s): dotnet9.0, dotnet10.0.

Resolved in Red Hat advisory RHSA-2026:10083 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.

Affected versions

dotnet9.0-0:9.0.115-1.el10_1
dotnet9.0-0:9.0.115-1.el9_6
dotnet9.0-0:9.0.115-1.el10_0
dotnet9.0-0:9.0.115-1.el9_7
dotnet10.0-0:10.0.104-1.el10_1
dotnet9.0-0:9.0.115-1.el8_10
dotnet10.0-0:10.0.104-1.el8_10
dotnet10.0-0:10.0.104-1.el9_7

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

Fixed versions

RHSA-2026:10083

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-2026:10083 (`sudo dnf update` / `yum update`).

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

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