Duplicate Advisory: Quadratic-time CPU denial of service in ConllCorpusReader SRL instance builder via nested span rescan
## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-v8f3-6phw-6mh9. This link is maintained to preserve external references. ## Original Description NLTK before 3.10.4 contains a quadratic-time denial of service vulnerability in ConllCorpusReader._get_srl_instanc
## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-v8f3-6phw-6mh9. This link is maintained to preserve external references. ## Original Description NLTK before 3.10.4 contains a quadratic-time denial of service vulnerability in ConllCorpusReader._get_srl_instances that allows remote attackers to exhaust CPU through nested span rescans. Attackers can supply a crafted CoNLL SRL corpus with many predicates and span columns, placing the head span last, to pin…