### [CVE-2018-7889](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7889)



### Description
gui2/viewer/bookmarkmanager.py in Calibre 3.18 calls cPickle.load on imported bookmark data, which allows remote attackers to execute arbitrary code via a crafted .pickle file, as demonstrated by Python code that contains an os.system call.
### POC
#### Reference
- https://bugs.launchpad.net/calibre/+bug/1753870
#### Github
No PoCs found on GitHub currently.