CVE-2021-3842

HIGH

nltk - Code Injection

Title source: llm
STIX 2.1

Description

nltk is vulnerable to Inefficient Regular Expression Complexity

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a

Scores

CVSS v3 7.5
EPSS 0.0041
EPSS Percentile 61.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-1333
Status published
Products (6)
debian/debian_linux 9.0
debian/debian_linux 10.0
debian/debian_linux 11.0
fedoraproject/fedora 35
nltk/nltk < 3.6.6
pypi/nltk 0 - 3.6.6PyPI
Published Jan 04, 2022
Tracked Since Feb 18, 2026