HIGH🇵🇱 Wersja polska

CVE-2026-78681

CVSS 8.7v4.0pub. 2026-08-25upd. 2026-09-01

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.

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  • Nltk

    APP
    Nltk
    < 3.10.3
🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
Tags
DoS
CWE
References

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