Add release notes for 1.8.0

Signed-off-by: David Mehren <git@herrmehren.de>
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David Mehren 2021-05-03 21:54:25 +02:00
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# Release Notes
## <i class="fa fa-tag"></i> 1.8.0-rc1 <i class="fa fa-calendar-o"></i> 2021-04-26
## <i class="fa fa-tag"></i> 1.8.0 <i class="fa fa-calendar-o"></i> 2021-05-03
This release fixes a security issue. We recommend upgrading as soon as possible.
This release fixes multiple security issues. We recommend upgrading as soon as possible.
**Please note:** This release dropped support for Node 10, which is end-of-life since April 2021. You now need at least Node 12 to run HedgeDoc, but we recommend running [the latest LTS release](https://nodejs.org/en/about/releases/).
### Security Fixes
- [CVE-2021-29474: Relative path traversal Attack on note creation](https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-p528-555r-pf87)
- [CVE-2021-21306: Underscore ReDoS](https://github.com/markedjs/marked/security/advisories/GHSA-4r62-v4vq-hr96) in the `marked` library
This issue allowed an attacker to hang HedgeDoc by inserting a malicious string into a note. Thanks to Ralph Krimmel for reporting!
We also published an advisory for [CVE-2021-29475: PDF export allows arbitrary file reads](https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-pxxg-px9v-6qf3),
which has already been fixed since HedgeDoc 1.6.0.