A carefully crafted (or fuzzed) file can trigger an infinite loop in Apache Tika's ChmParser in versions of Apache Tika before 1.18.
{
"cpe": "cpe:2.3:a:apache:tika:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.18"
}
],
"source": "CPE_RANGE"
}