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Natural Language Toolkit (NLTK): ReDoS in NLTK ReviewsCorpusReader FEATURES regex

🗓️ 04 Aug 2026 11:34:46Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 4 Views

NLTK ReviewsCorpusReader regex for features can cause quadratic backtracking and DoS on long lines.

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Detection
Refs

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04 Aug 2026 13:36Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
4