Insufficient Comparison Affecting nltk package, versions <3.6.5-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.7% (75th percentile)

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  • Snyk IDSNYK-ECHOLATEST-NLTK-18321522
  • published27 Jul 2026
  • disclosed27 Sept 2021

Introduced: 27 Sep 2021

CVE-2021-3828  (opens in a new tab)
CWE-697  (opens in a new tab)

How to fix?

Upgrade Echo:latest nltk to version 3.6.5-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nltk package and not the nltk package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

nltk is vulnerable to Inefficient Regular Expression Complexity

CVSS Base Scores

version 3.1