NLTK Vulnerable to REDoS

The nltk package is vulnerable to ReDoS regular expression denial of service. An attacker that is able to provide as an input to the readcomparisonblockhttps://github.com/nltk/nltk/blob/23f4b1c4b4006b0cb3ec278e801029557cec4e82/nltk/corpus/reader/comparativesents.pyL259 function in the file...

Inefficient Regular Expression Complexity in nltk/nltk

✍️ Description The nltk package is vulnerable to ReDoS regular expression denial of service. An attacker that is able to provide as an input to the readcomparisonblock function in the file "nltk/corpus/reader/comparativesents.py" may cause an application to consume an excessive amount of CPU. Belo...