Most recent entries from all https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 06 Oct 2026 11:28:09 +0000 CVE-2026-78681 — NLTK before 3.10.3 Entity Expansion DoS via ElementTree https://cve.radiocsirt.org/vuln/cve-2026-78681 <p><strong>Affected:</strong> nltk</p> <p>NLTK versions before 3.10.3 use xml.etree.ElementTree to parse XML in multiple modules, which honors entity declarations in document DTDs. Attackers can craft XML payloads with nested entity declarations that expand from hundreds of bytes to megabytes in memory, causing denial of service.</p> <p><strong>Affected:</strong> nltk</p> <p>NLTK versions before 3.10.3 use xml.etree.ElementTree to parse XML in multiple modules, which honors entity declarations in document DTDs. Attackers can craft XML payloads with nested entity declarations that expand from hundreds of bytes to megabytes in memory, causing denial of service.</p> https://cve.radiocsirt.org/vuln/cve-2026-78681