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Composer is a dependency manager for PHP. On the 2.x branch prior to versions 2.2.24 and 2.7.7, the `status`, `reinstall` and `remove` commands with packages installed from source via git containing specially crafted branch names in the repository can be used to execute code. Patches for this issue are available in version 2.2.24 for 2.2 LTS or 2.7.7 for mainline. As a workaround, avoid installing dependencies via git by using `--prefer-dist` or the `preferred-install: dist` config setting.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade composer | Aug 22, 2024 | Jun 10, 2024 |
| Debian | — | Upgrade composer | Jun 20, 2024 | Jun 10, 2024 |
| Freebsd | — | Upgrade php81-composerUpgrade php82-composerUpgrade php83-composer | Jun 11, 2024 | Jun 10, 2024 |
| Suse | — | Upgrade php-composer2 | Jun 21, 2024 | Jun 10, 2024 |
| Ubuntu | — | Upgrade composer (Ubuntu Pro) | Jun 26, 2025 | Jun 10, 2024 |
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