cve/2015/CVE-2015-5523.md

### [CVE-2015-5523](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5523)
![](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

The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2015/06/04/2

#### Github
- https://github.com/mrash/afl-cve