Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 16:56:58 +0000 CVE-2026-80205 — NLTK before 3.10.0 ReDoS via Text.findall() unvalidated regex https://vulnerability.circl.lu/vuln/cve-2026-80205 <p><strong>Affected:</strong> nltk</p> <p>NLTK versions before 3.10.0 contain a regular expression denial of service vulnerability in Text.findall() and TokenSearcher.findall() methods that accept user-supplied regular expressions without validation or timeout. Attackers can supply crafted regex patterns that cause catastrophic backtracking, resulting in indefinite CPU saturation and denial of service to all users of the Python process.</p> <p><strong>Affected:</strong> nltk</p> <p>NLTK versions before 3.10.0 contain a regular expression denial of service vulnerability in Text.findall() and TokenSearcher.findall() methods that accept user-supplied regular expressions without validation or timeout. Attackers can supply crafted regex patterns that cause catastrophic backtracking, resulting in indefinite CPU saturation and denial of service to all users of the Python process.</p> https://vulnerability.circl.lu/vuln/cve-2026-80205