### [CVE-2017-7186](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7186)
![](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

libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.

### POC

#### Reference
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/andir/nixos-issue-db-example
- https://github.com/yfoelling/yair