cve/2017/CVE-2017-12963.md

### [CVE-2017-12963](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12963)
![](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

There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).

### POC

#### Reference
- https://bugzilla.redhat.com/show_bug.cgi?id=1482335

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