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.
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:calibre-ebook:calibre:3.18.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.18.0"
},
{
"last_affected": "3.18.0"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "aeb5b036a0bf657951756688b3c72bd68b6e4a7d"
}
],
"source": "REFERENCES_COMMIT"
}
]
}