---
title: "CVE-2022-3479\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-2022-3479?format=md
keywords: index, follow
---

# CVE-2022-3479

Publication date 14 October 2022

Last updated 25 August 2025

---

Ubuntu priority

**Low**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2022-3479?format=md#impact-score)

Toggle side navigation

## Description

A vulnerability found in nss. By this security vulnerability, nss client
auth crash without a user certificate in the database and this can lead us
to a segmentation fault or crash.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| nss | 23.04 lunar | Not affected |
| 22.10 kinetic | Fixed 2:3.82-1ubuntu0.1 |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | 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-2022-3479?format=md#patch-details)

### 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 |
| --- | --- |
| nss | * Upstream:   <https://hg.mozilla.org/projects/nss/rev/a7f363511333b8062945557607691002fd6e40b9> |

## 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-2022-3479)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-3479)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-3479)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-3479)

### Related Ubuntu Security Notices (USN)

+ [USN-5892-1](https://usn.ubuntu.com/USN-5892-1)
+ NSS vulnerabilities
+ 27 February 2023

### Other references

* <https://access.redhat.com/security/cve/CVE-2022-3479>
* <https://www.cve.org/CVERecord?id=CVE-2022-3479>