High [CVE-2026-50525] .NET: Denial of Service due to uncontrolled resource allocation
This high-severity Red Hat Linux advisory covers CVE-2026-50525 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.
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Summary
Allocation of resources without limits or throttling in.NET allows an unauthorized attacker to deny service over a network. A flaw was found in.NET where uncontrolled allocation of resources can lead to a Denial of Service (DoS).
An unauthorized remote attacker could exploit this vulnerability by continuously requesting resources without limits or throttling, causing the affected system to become unresponsive or crash. This can disrupt the availability of services running on the.NET framework.
Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-770.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Hardened Images.
Red Hat lists Red Hat OpenShift Dev Spaces as not affected.
Red Hat fixing advisory: RHSA-2026:41893, RHSA-2026:41895, RHSA-2026:41897, RHSA-2026:58566, RHSA-2026:58567, RHSA-2026:41899, RHSA-2026:41900, RHSA-2026:41901, RHSA-2026:41894, RHSA-2026:41896, RHSA-2026:41898, RHSA-2026:58568, RHSA-2026:58569, RHSA-2026:58570, RHSA-2026:26638, RHSA-2026:27171, RHSA-2026:42145.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
- dotnet8.0-0:8.0.129-1.el10_2
- dotnet9.0-0:9.0.119-1.el10_2
- dotnet10.0-0:10.0.110-1.el10_2
- dotnet8.0-0:8.0.130-1.el10_0
- dotnet9.0-0:9.0.120-1.el10_0
- dotnet9.0-0:9.0.119-1.el8_10
- dotnet10.0-0:10.0.110-1.el8_10
- dotnet8.0-0:8.0.129-1.el8_10
- dotnet8.0-0:8.0.129-1.el9_8
- dotnet9.0-0:9.0.119-1.el9_8
- dotnet10.0-0:10.0.110-1.el9_8
- dotnet8.0-0:8.0.130-1.el9_4
- dotnet8.0-0:8.0.130-1.el9_6
- dotnet9.0-0:9.0.120-1.el9_6
- dotnet10-0-main-10.0.109-1.hum1
- dotnet9-0-main-9.0.118-1.hum1
- dotnet8-0-main-8.0.129-2.1.hum1
- RHSA-2026:41893
- RHSA-2026:41895
- RHSA-2026:41897
- RHSA-2026:58566
- RHSA-2026:58567
- RHSA-2026:41899
- RHSA-2026:41900
- RHSA-2026:41901
- RHSA-2026:41894
- RHSA-2026:41896
- RHSA-2026:41898
- RHSA-2026:58568
- RHSA-2026:58569
- RHSA-2026:58570
- RHSA-2026:26638
- RHSA-2026:27171
- RHSA-2026:42145
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Mitigation
Upgrade to a fixed release: dotnet8.0-0:8.0.129-1.el10_2, dotnet9.0-0:9.0.119-1.el10_2, dotnet10.0-0:10.0.110-1.el10_2, dotnet8.0-0:8.0.130-1.el10_0, dotnet9.0-0:9.0.120-1.el10_0, dotnet9.0-0:9.0.119-1.el8_10. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
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