# php-symfony-class-loader security updates

Patch Radar has 3 security fixes for php-symfony-class-loader, closing 3 CVEs. The newest is php-symfony-class-loader 3.4.6+dfsg-1ubuntu0.1+esm2 (3.4.6+dfsg-1ubuntu0.1+esm2), released May 13, 2021.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [php-symfony-class-loader 3.4.6+dfsg-1ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-php-symfony-class-loader-3.4.6-dfsg-1ubuntu0.1-esm2.md) | May 13, 2021 | Ubuntu 18.04.6 LTS (bionic) 3.4.6+dfsg-1ubuntu0.1+esm2 | Routine | 1 | 0 |
| [php-symfony-class-loader 3.4.6+dfsg-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-php-symfony-class-loader-3.4.6-dfsg-1ubuntu0.1-esm1.md) | Jun 13, 2018 | Ubuntu 18.04.6 LTS (bionic) 3.4.6+dfsg-1ubuntu0.1+esm1 | Routine | 1 | 0 |
| [php-symfony-class-loader 3.4.6+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-php-symfony-class-loader-3.4.6-dfsg-1ubuntu0.1.md) | Jun 13, 2018 | Ubuntu 18.04.6 LTS (bionic) 3.4.6+dfsg-1ubuntu0.1 | Routine | 1 | 0 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo