---
title: "GHSA-rq6q-hjvh-5mwh: Flow Swift Mailer package Remote code execution"
url: https://erroneo.us/security/ghsa/GHSA-rq6q-hjvh-5mwh/
description: "GHSA-rq6q-hjvh-5mwh (critical, Composer (PHP)): Flow Swift Mailer package Remote code execution. A remote code execution vulnerability has been found in the…"
type: advisory
section: "Security Digest"
date_published: 2024-05-17
date_modified: 2024-05-17
publisher: erroneo.us
author: erroneo.us Security Desk
ghsa: "GHSA-rq6q-hjvh-5mwh"
license: All rights reserved. Quote with attribution and a link.
---

# GHSA-rq6q-hjvh-5mwh: Flow Swift Mailer package Remote code execution

## Affected packages

- Composer (PHP) `neos/swiftmailer` < 5.4.5 → fixed: 5.4.5

## Details

A remote code execution vulnerability has been found in the Swift Mailer library (swiftmailer/swiftmailer) recently. See this advisory for details. If you are not using the default mail() transport, this particular problem does not affect you. Upgrading is of course still recommended!

## Sources

- [GitHub Advisory GHSA-rq6q-hjvh-5mwh](https://github.com/advisories/GHSA-rq6q-hjvh-5mwh)
- [github.com](https://github.com/FriendsOfPHP/security-advisories/blob/master/neos/swiftmailer/2017-01-06.yaml)
- [neos.io](https://www.neos.io/blog/flow-sa-2017-01.html)

---
Source page: https://erroneo.us/security/ghsa/GHSA-rq6q-hjvh-5mwh/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt