### [CVE-2018-11236](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11236)
![](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

stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/0xT11/CVE-POC
- https://github.com/andir/nixos-issue-db-example
- https://github.com/evilmiracle/CVE-2018-11236
- https://github.com/flyrev/security-scan-ci-presentation
- https://github.com/simonsdave/clair-cicd