---
title: "CVE-2024-43499\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2024-43499?format=md
keywords: index, follow
---

# CVE-2024-43499

Publication date 12 November 2024

Last updated 26 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2024-43499?format=md#impact-score)

Toggle side navigation

## Description

.NET and Visual Studio Denial of Service Vulnerability

[Read the notes from the security team](https://ubuntu.com/security/CVE-2024-43499?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| dotnet6 | 24.10 oracular | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| dotnet7 | 24.10 oracular | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored see notes |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| dotnet8 | 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| dotnet9 | 24.10 oracular | Fixed 9.0.100-9.0.0-0ubuntu1~24.10.1 |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [iconstantin](https://launchpad.net/~iconstantin)

.NET 7 is end of life upstream.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | None |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-43499)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2024-43499)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2024-43499)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2024-43499)

### Related Ubuntu Security Notices (USN)

+ [USN-7105-1](https://usn.ubuntu.com/USN-7105-1)
+ .NET vulnerabilities
+ 12 November 2024

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2024-43499>
* <https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43499>
* <https://github.com/dotnet/runtime/security/advisories/GHSA-6x36-qxmj-rv4p>