https://db.gcve.eu/rss/recent/all/10 Most recent entries from all 2026-11-14T04:48:42.071114+00:00 Vulnerability-Lookup info@gcve.eu python-feedgen Contains only the most 10 recent entries. https://db.gcve.eu/vuln/cve-2026-126299 CVE-2026-126299 — NLTK before 3.10.4 Quadratic-Time Denial of Service via CCG Lexicon fromstring 2026-11-14T04:48:42.076422+00:00

Affected: nltk

NLTK before 3.10.4 contains a denial of service vulnerability in the CCG lexicon parser fromstring that allows remote attackers to exhaust CPU by supplying wide inputs. Attackers can submit lexicon text with long flat bracket bodies or operator chains, triggering quadratic string re-slicing in matchBrackets and augParseCategory that blocks worker threads.