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# Security Policy
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## Supported Versions
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2023-04-07 12:42:12 +00:00
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We provide security updates to the development branch and the stable
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branches. Security patches for old releases are available on the
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[project website](https://tukaani.org/xz).
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## Reporting a Vulnerability
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2023-04-07 12:46:41 +00:00
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If you discover a security vulnerability in this project, please
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report it privately. **Do not disclose it as a public issue.** This gives
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us time to work with you to fix the issue before public exposure, reducing
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the chance that the exploit will be used before a patch is released.
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2023-04-07 12:08:30 +00:00
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2023-04-07 12:42:12 +00:00
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You may submit a report by emailing us at
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[xz@tukaani.org](mailto:xz@tukaani.org), or through
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[Security Advisories](https://github.com/tukaani-project/xz/security/advisories/new).
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While both options are available, we prefer email. In any case, please
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provide a clear description of the vulnerability including:
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2023-04-07 12:42:12 +00:00
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- Affected versions of XZ Utils
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- Estimated severity (low, moderate, high, critical)
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- Steps to recreate the vulnerability
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- All relevant files (core dumps, build logs, input files, etc.)
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This project is maintained by a team of volunteers on a reasonable-effort
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basis. As such, please give us 90 days to work on a fix before
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public exposure.
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