High [CVE-2026-26130] Denial of Service via uncontrolled resource allocation
This high-severity Red Hat Linux advisory covers CVE-2026-26130 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.4 Extended Update Support.
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Summary
Denial of Service via uncontrolled resource allocation. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-770. Affected package(s): dotnet8.0, dotnet9.0, dotnet10.0.
Resolved in Red Hat advisory RHSA-2026:4458 — 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.
- dotnet8.0-0:8.0.125-1.el9_4
- dotnet8.0-0:8.0.125-1.el10_1
- dotnet8.0-0:8.0.125-1.el9_7
- dotnet9.0-0:9.0.115-1.el10_1
- dotnet8.0-0:8.0.125-1.el9_6
- dotnet9.0-0:9.0.115-1.el9_6
- dotnet9.0-0:9.0.115-1.el10_0
- dotnet8.0-0:8.0.125-1.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
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:4458
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:4458 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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