CVE-2024-43485 .NET and Visual Studio Denial of Service Vulnerability
Attackers can cause a denial of service in .NET and Visual Studio environments, requiring developers to apply security patches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-43485?
CVE-2024-43485 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 and Visual Studio Denial of Service Vulnerability
Weakness: CWE-407
Which versions are affected by CVE-2024-43485?
6 open source packages ship an affected version, including System.Text.Json, dotnet and dotnet-sdk. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
System.Text.Json NuGet | From 6.0.0 | 6.0.10 |
System.Text.Json NuGet | From 6.0.0 | 6.0.10 |
System.Text.Json NuGet | From 8.0.0 | 8.0.5 |
System.Text.Json NuGet | From 8.0.0 | 8.0.5 |
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 |
Products include Microsoft .Net, Microsoft Visual Studio 2022.
How do I fix CVE-2024-43485?
Upgrade System.Text.Json to a fixed version for your release line: 6.0.10 or 8.0.5.
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-2024-43485 being exploited?
There is no known exploitation of CVE-2024-43485 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-2024-43485, BIT-dotnet-2024-43485, BIT-dotnet-sdk-2024-43485, CLEANSTART-2025-SP12252, ECHO-8500-3e7b-cc19, GHSA-8g4q-xg66-9fp4 and 1 more.