---
title: "CVE-2024-36611\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-2024-36611?format=md
keywords: index, follow
---

# CVE-2024-36611

Publication date 29 November 2024

Last updated 11 July 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-2024-36611?format=md#impact-score)

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## Description

In Symfony v7.07, a security vulnerability was identified in the
FormLoginAuthenticator component, where it failed to adequately handle
cases where the username or password field of a login request is empty.
This flaw could lead to various security risks, including improper
authentication logic handling or denial of service. NOTE: the Supplier has
concluded that this is a false report.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2024-36611?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| symfony | 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2024-36611?format=md#patch-details)

## Notes

---

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

This CVE seems to have been created as part of a false report.
Upstream has stated that the report does not link to a vulnerability, and
the patches provided are not security fixes.

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| symfony | * Upstream:   [a804ca1](https://github.com/symfony/symfony/commit/a804ca15fcad279d7727b91d12a667fd5b925995) |

## 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-2024-36611)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2024-36611)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2024-36611)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2024-36611)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2024-36611>
* <https://github.com/symfony/symfony/commit/a804ca15fcad279d7727b91d12a667fd5b925995 (v7.1.0-BETA1)>
* <https://gist.github.com/1047524396/3581425e0911b716cf8ce4fa30e41e6c>
* <https://github.com/symfony/symfony/blob/v7.0.7/src/Symfony/Component/Security/Http/Authenticator/FormLoginAuthenticator.php#L132>
* <https://github.com/github/advisory-database/pull/5046>
* <https://github.com/advisories/GHSA-7q22-x757-cmgc>