# CVE-2024-43485: Microsoft Security Advisory | .NET Denial of Service Vulnerability

Source: https://junglewise.ai/threats/cve-2024-43485-microsoft-security-advisory-net-denial-of-service-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-10-08  
License: CC BY 4.0 with a link back

CVE-2024-43485 · Severity: low · CVSS 3.1 · Published 2024-10-08

Microsoft Security Advisory CVE-2024-43485 | .NET Denial of Service Vulnerability

Technologies: [System.Text.Json (NuGet)](https://junglewise.ai/threats/technologies/system-text-json). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2024-43485 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-43485 being exploited in the wild.

**How severe is CVE-2024-43485?** Low severity, with a CVSS score of 3.1, published 8 October 2024.

**Which products and versions are affected?** System.Text.Json (NuGet) ECOSYSTEM:introduced=8.0.0,fixed=8.0.5.

**Is there a fix for CVE-2024-43485?** Yes. System.Text.Json (NuGet): upgrade to 8.0.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-43485?** Check whether you run System.Text.Json (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- System.Text.Json (NuGet): upgrade to 8.0.5 or later

  ```sh
  dotnet add package System.Text.Json --version 8.0.5
  ```


## Affected products

- System.Text.Json (NuGet) ECOSYSTEM:introduced=8.0.0,fixed=8.0.5

## Identifiers

- CVE-2024-43485
- GHSA-8g4q-xg66-9fp4

## Related threats

- [Microsoft .NET algorithmic complexity denial of service](https://junglewise.ai/threats/cve-2026-120796-inefficient-algorithmic-complexity-in-net-allows-an-unauthorized)
- [Microsoft Security Advisory | .NET Denial of Service Vulnerability](https://junglewise.ai/threats/cve-2024-30105-microsoft-security-advisory-net-denial-of-service-vulnerability)