CVE-2018-0875 .NET Core Denial of Service Vulnerability
Attackers can cause a denial of service in .NET Core and PowerShell Core by sending specially crafted requests, requiring a security patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-0875?
CVE-2018-0875 is a high-severity denial of service vulnerability in Microsoft Corporation .NET Core, published on 14 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
.NET Core 1.0, .NET Core 1.1, NET Core 2.0 and PowerShell Core 6.0.0 allow a denial of Service vulnerability due to how specially crafted requests are handled, aka ".NET Core Denial of Service Vulnerability".
Which versions are affected by CVE-2018-0875?
6 open source packages ship an affected version, including Microsoft.NETCore.Jit. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.NETCore.Jit NuGet | All versions | 1.0.12 |
Microsoft.NETCore.Jit NuGet | All versions | 1.0.12 |
Microsoft.NETCore.Jit NuGet | From 1.1.0 | 1.1.7 |
Microsoft.NETCore.Jit NuGet | From 1.1.0 | 1.1.7 |
Microsoft.NETCore.Jit NuGet | From 2.0.0 | 2.0.6 |
Microsoft.NETCore.Jit NuGet | From 2.0.0 | 2.0.6 |
Linux distribution packages (9)
rh-dotnetcore10-dotnetcore Red Hat:rhel_dotnet:1.0::el7 | All versions | 0:1.0.10-1.el7 |
rh-dotnetcore10-dotnetcore-debuginfo Red Hat:rhel_dotnet:1.0::el7 | All versions | 0:1.0.10-1.el7 |
rh-dotnetcore11-dotnetcore Red Hat:rhel_dotnet:1.1::el7 | All versions | 0:1.1.7-1.el7 |
rh-dotnetcore11-dotnetcore-debuginfo Red Hat:rhel_dotnet:1.1::el7 | All versions | 0:1.1.7-1.el7 |
rh-dotnet20-dotnet Red Hat:rhel_dotnet:2.0::el7 | All versions | 0:2.0.6-1.el7 |
rh-dotnet20-dotnet-debuginfo Red Hat:rhel_dotnet:2.0::el7 | All versions | 0:2.0.6-1.el7 |
rh-dotnet20-dotnet-host Red Hat:rhel_dotnet:2.0::el7 | All versions | 0:2.0.6-1.el7 |
rh-dotnet20-dotnet-runtime-2.0 Red Hat:rhel_dotnet:2.0::el7 | All versions | 0:2.0.6-1.el7 |
rh-dotnet20-dotnet-sdk-2.1 Red Hat:rhel_dotnet:2.0::el7 | All versions | 0:2.1.101-1.el7 |
Products include Microsoft Asp.net Core, Microsoft Powershell Core.
How do I fix CVE-2018-0875?
Upgrade Microsoft.NETCore.Jit to a fixed version for your release line: 1.0.12, 1.1.7 or 2.0.6.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-0875 being exploited?
There is no known exploitation of CVE-2018-0875 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Corporation .NET Core
- CVE-2025-55315 ASP.NET Security Feature Bypass Vulnerability
- CVE-2026-88092 ASP.NET Core Tampering Vulnerability
- CVE-2026-40372 ASP.NET Core Elevation of Privilege Vulnerability
- CVE-2021-43877 ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
- CVE-2020-0603 Remote code execution in ASP.NET Core
Sources
Also known as GHSA-xcvr-qv8h-m7xw, RHSA-2018:0522.