cve/2019/CVE-2019-12439.md

### [CVE-2019-12439](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12439)
![](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

bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.

### POC

#### Reference
- https://github.com/projectatomic/bubblewrap/issues/304

#### Github
No PoCs found on GitHub currently.