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.
{
"cpe": "cpe:2.3:a:calibre-ebook:calibre:3.18.0:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "3.18.0"
},
{
"last_affected": "3.18.0"
}
],
"source": [
"CPE_STRING",
"REFERENCES"
]
}