CVE-2024-43483 .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability
Attackers can cause a denial of service in .NET and Visual Studio applications through algorithmic complexity flaws.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-43483?
CVE-2024-43483 is a high-severity denial of service vulnerability in Microsoft .Net, published on 8 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability
Weakness: CWE-407
Which versions are affected by CVE-2024-43483?
18 open source packages ship an affected version, including Microsoft.Extensions.Caching.Memory, dotnet and dotnet-sdk. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.Extensions.Caching.Memory NuGet | From 6.0.0-preview.1.21102.12 | 6.0.2 |
Microsoft.Extensions.Caching.Memory NuGet | From 6.0.0-preview.1.21102.12 | 6.0.2 |
Microsoft.Extensions.Caching.Memory NuGet | From 8.0.0-preview.1.23110.8 | 8.0.1 |
Microsoft.Extensions.Caching.Memory NuGet | From 8.0.0-preview.1.23110.8 | 8.0.1 |
Microsoft.Extensions.Caching.Memory NuGet | From 9.0.0-preview.1.24080.9 | 9.0.0-rc.2.24473.5 |
Microsoft.Extensions.Caching.Memory NuGet | From 9.0.0-preview.1.24080.9 | 9.0.0-rc.2.24473.5 |
12 more packages
dotnet Bitnami | From 6.0.0 | 6.0.35, 8.0.10 |
dotnet-sdk Bitnami | From 6.0.0 | 6.0.35, 8.0.10 |
System.IO.Packaging NuGet | From 6.0.0-preview.1.21102.12 | 6.0.1 |
System.IO.Packaging NuGet | From 6.0.0-preview.1.21102.12 | 6.0.1 |
System.IO.Packaging NuGet | From 8.0.0-preview.1.23110.8 | 8.0.1 |
System.IO.Packaging NuGet | From 8.0.0-preview.1.23110.8 | 8.0.1 |
System.IO.Packaging NuGet | From 9.0.0-preview.1.24080.9 | 9.0.0-rc.2.24473.5 |
System.IO.Packaging NuGet | From 9.0.0-preview.1.24080.9 | 9.0.0-rc.2.24473.5 |
System.Security.Cryptography.Cose NuGet | From 8.0.0-preview.1.23110.8 | 8.0.1 |
System.Security.Cryptography.Cose NuGet | From 8.0.0-preview.1.23110.8 | 8.0.1 |
System.Security.Cryptography.Cose NuGet | From 9.0.0-preview.1.24080.9 | 9.0.0-rc.2.24473.5 |
System.Security.Cryptography.Cose NuGet | From 9.0.0-preview.1.24080.9 | 9.0.0-rc.2.24473.5 |
Products include Microsoft .Net, Microsoft .Net Framework, Microsoft Visual Studio 2022.
How do I fix CVE-2024-43483?
Upgrade Microsoft.Extensions.Caching.Memory to a fixed version for your release line: 6.0.2, 8.0.1 or 9.0.0-rc.2.24473.5.
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-2024-43483 being exploited?
There is no known exploitation of CVE-2024-43483 in the wild and no public exploit code.
Other vulnerabilities in Microsoft .Net
- CVE-2024-43498 .NET and Visual Studio Remote Code Execution Vulnerability
- CVE-2024-0057 NET, .NET Framework, and Visual Studio Security Feature Bypass Vulnerability
- CVE-2026-96957 .NET Security Feature Bypass Vulnerability
- CVE-2026-69439 .NET and Visual Studio Elevation of Privilege Vulnerability
- CVE-2026-71328 .NET and Visual Studio Remote Code Execution Vulnerability
Sources
Also known as BELL-CVE-2024-43483, BIT-dotnet-2024-43483, BIT-dotnet-sdk-2024-43483, CLEANSTART-2025-OA94377, ECHO-2069-84c3-736c, GHSA-qj66-m88j-hmgj and 1 more.