---
title: "CVE-2022-3616\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-2022-3616?format=md
keywords: index, follow
---

# CVE-2022-3616

Publication date 28 October 2022

Last updated 4 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.4 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2022-3616?format=md#impact-score)

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## Description

Attackers can create long chains of CAs that would lead to OctoRPKI
exceeding its max iterations parameter. In consequence it would cause the
program to crash, preventing it from finishing the validation and leading
to a denial of service. Credits to Donika Mirdita and Haya Shulman -
Fraunhofer SIT, ATHENE, who discovered and reported this vulnerability.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| cfrpki | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.10 oracular | Not in release |
| 24.04 LTS noble | Not in release |
| 23.10 mantic | Not affected |
| 23.04 lunar | Ignored end of life, was needs-triage |
| 22.10 kinetic | Ignored end of life, was needs-triage |
| 22.04 LTS jammy | Needs evaluation |
| 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)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.4 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.4 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3616)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-3616)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-3616)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-3616)

### Other references

* <https://github.com/cloudflare/cfrpki/security/advisories/GHSA-pmw9-567p-68pc>
* <https://www.cve.org/CVERecord?id=CVE-2022-3616>