---
title: "CVE-2024-3772\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-2024-3772?format=md
keywords: index, follow
---

# CVE-2024-3772

Publication date 15 April 2024

Last updated 26 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.9 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2024-3772?format=md#impact-score)

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## Description

Regular expression denial of service in Pydanic < 2.4.0, < 1.10.13 allows
remote attackers to cause denial of service via a crafted email string.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| pydantic | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not affected |
| 25.04 plucky | Not affected |
| 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 23.10 mantic | Ignored end of life, was needed |
| 22.04 LTS jammy | Fixed 1.8.2-1ubuntu0.1~esm1  Ubuntu Pro |
| 20.04 LTS focal | Fixed 1.2-1ubuntu0.1~esm3  Ubuntu Pro |

---

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

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## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.9 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.9 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3772)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2024-3772)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2024-3772)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2024-3772)

### Related Ubuntu Security Notices (USN)

+ [USN-7101-1](https://usn.ubuntu.com/USN-7101-1)
+ Pydantic vulnerability
+ 12 November 2024

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2024-3772>
* <https://github.com/pydantic/pydantic/pull/7360>
* <https://github.com/pydantic/pydantic/commit/e4393ae6145c4dadff739990bb0116c6dec3441b (v2.4.0)>
* <https://github.com/pydantic/pydantic/pull/7673>
* <https://github.com/pydantic/pydantic/commit/59d8f38fd6220e3917c53785dbc70317d6f8e631 (v1.0.13)>