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# Security Policy
## Supported Versions
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Please see [Releases ](https://github.com/ethereum/go-ethereum/releases ). We recommend using the [most recently released version ](https://github.com/ethereum/go-ethereum/releases/latest ).
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## Audit reports
Audit reports are published in the `docs` folder: https://github.com/ethereum/go-ethereum/tree/master/docs/audits
| Scope | Date | Report Link |
| ------- | ------- | ----------- |
| `geth` | 20170425 | [pdf ](https://github.com/ethereum/go-ethereum/blob/master/docs/audits/2017-04-25_Geth-audit_Truesec.pdf ) |
| `clef` | 20180914 | [pdf ](https://github.com/ethereum/go-ethereum/blob/master/docs/audits/2018-09-14_Clef-audit_NCC.pdf ) |
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| `Discv5` | 20191015 | [pdf ](https://github.com/ethereum/go-ethereum/blob/master/docs/audits/2019-10-15_Discv5_audit_LeastAuthority.pdf ) |
| `Discv5` | 20200124 | [pdf ](https://github.com/ethereum/go-ethereum/blob/master/docs/audits/2020-01-24_DiscV5_audit_Cure53.pdf ) |
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## Reporting a Vulnerability
**Please do not file a public ticket** mentioning the vulnerability.
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To find out how to disclose a vulnerability in Ethereum visit [https://bounty.ethereum.org ](https://bounty.ethereum.org ) or email bounty@ethereum.org. Please read the [disclosure page ](https://github.com/ethereum/go-ethereum/security/advisories?state=published ) for more information about publicly disclosed security vulnerabilities.
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Use the built-in `geth version-check` feature to check whether the software is affected by any known vulnerability. This command will fetch the latest [`vulnerabilities.json` ](https://geth.ethereum.org/docs/vulnerabilities/vulnerabilities.json ) file which contains known security vulnerabilities concerning `geth` , and cross-check the data against its own version number.
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The following key may be used to communicate sensitive information to developers.
Fingerprint: `AE96 ED96 9E47 9B00 84F3 E17F E88D 3334 FA5F 6A0A`
```
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```