Denial of Service in ecstatic (GHSA-pm9p-9926-w68m)
Published: 2017-12-28T22:52:47Z
Aliases: CVE-2016-10703
Severity: HIGH · CWE: CWE-400

`ecstatic`, a simple static file server middleware, is vulnerable to denial of service. If a payload with a large number of null bytes (`%00`) is provided by an attacker it can crash ecstatic by running it out of memory.


[Results from the original advisory](https://www.checkmarx.com/advisories/denial-of-service-dos-vulnerability-in-ecstatic-npm-package/)

```
A payload of 22kB caused a lag of 1 second,
A payload of 35kB caused a lag of 3 seconds,
A payload of 86kB caused the server to crash
```


## Recommendation

Update to version 2.0.0 or later.

Affected packages:
package: ecosystem: npm
name: ecstatic
ranges: type: ECOSYSTEM
events: introduced: 0
fixed: 2.0.0