# php-swiftmailer security updates

Patch Radar has 3 security fixes for php-swiftmailer, closing 1 CVE. The newest is php-swiftmailer 5.4.2-1.1 (5.4.2-1.1), released January 16, 2026.

- Web page: https://patchblox.com/security/product/linux/php-swiftmailer
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [php-swiftmailer 5.4.2-1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-php-swiftmailer-5.4.2-1.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 5.4.2-1.1 | Routine | 1 | 0 |
| [php-swiftmailer 5.4.2-1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-php-swiftmailer-5.4.2-1.1.md) | Dec 30, 2016 | Ubuntu 18.04.6 LTS (bionic) 5.4.2-1.1 | Routine | 1 | 0 |
| [php-swiftmailer 5.4.2-1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-php-swiftmailer-5.4.2-1.1.md) | Dec 30, 2016 | Ubuntu 20.04 LTS (focal) 5.4.2-1.1 | Routine | 1 | 0 |

---

Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo