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openzeppelin-contracts/SECURITY.md

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# Security Policy
## Bug Bounty
We have a [**bug bounty program** on Immunefi](https://www.immunefi.com/bounty/openzeppelin). Please report any security issues you find through the Immunefi dashboard, or reach out to security@openzeppelin.com.
Critical bug fixes will be backported to past major releases.
## Supported Versions
The recommendation is to use the latest version available.
| Version | Supported |
| ------- | ------------------------------------ |
| 4.x | :white_check_mark::white_check_mark: |
| 3.4 | :white_check_mark: |
| 2.5 | :white_check_mark: |
| < 2.0 | :x: |
Note that the Solidity language itself only guarantees security updates for the latest release.