### [CVE-2007-4772](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4772)
![](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 regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows context-dependent attackers to cause a denial of service (infinite loop) via a crafted regular expression.

### POC

#### Reference
- http://www.vmware.com/security/advisories/VMSA-2008-0009.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/vmmaltsev/13.1