cve/2018/CVE-2018-20096.md

### [CVE-2018-20096](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20096)
![](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

There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

### POC

#### Reference
- https://github.com/Exiv2/exiv2/issues/590
- https://github.com/Exiv2/exiv2/issues/590
- https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
- https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206

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