cve/2022/CVE-2022-0561.md

### [CVE-2022-0561](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0561)
![](https://img.shields.io/static/v1?label=Product&message=libtiff&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Incorrect%20calculation%20of%20buffer%20size%20in%20libtiff&color=brighgreen)

### Description

Null source pointer passed as an argument to memcpy() function within TIFFFetchStripThing() in tif_dirread.c in libtiff versions from 3.9.0 to 4.3.0 could lead to Denial of Service via crafted TIFF file. For users that compile libtiff from sources, the fix is available with commit eecb0712.

### POC

#### Reference
- https://gitlab.com/libtiff/libtiff/-/issues/362

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