Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2021-3842

Published: 4 January 2022

nltk is vulnerable to Inefficient Regular Expression Complexity

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
nltk
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

trusty Needs triage

hirsute Ignored
(end of life)
impish Ignored
(end of life)
upstream
Released (3.6.6)
xenial Needs triage

jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Not vulnerable
(3.7-1)
mantic Not vulnerable
(3.7-1)
Patches:
upstream: https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H