cve/2019/CVE-2019-9169.md

### [CVE-2019-9169](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9169)
![](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

In the GNU C Library (aka glibc or libc6) through 2.29, proceed_next_node in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpuapr2022.html

#### Github
- https://github.com/flyrev/security-scan-ci-presentation