CVEs-PoC/2011/CVE-2011-4838.md

### [CVE-2011-4838](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4838)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

JRuby before 1.6.5.1 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.

### POC

#### Reference
- http://www.ocert.org/advisories/ocert-2011-003.html

#### Github
No PoCs found on GitHub currently.