Upstream information

CVE-2021-3828 at MITRE

Description

nltk is vulnerable to Inefficient Regular Expression Complexity

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1191030 [IN_PROGRESS]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP2
  • python3-nltk >= 3.7-bp152.3.3.1
 Patchnames:
openSUSE-2022-10040
openSUSE Tumbleweed
  • python310-nltk >= 3.7-1.1
  • python311-nltk >= 3.9.1-2.4
  • python312-nltk >= 3.9.1-2.4
  • python313-nltk >= 3.9.1-2.4
  • python38-nltk >= 3.7-1.1
  • python39-nltk >= 3.7-1.1
 Patchnames:
openSUSE-Tumbleweed-2024-11958
openSUSE-Tumbleweed-2025-15099

SUSE Timeline for this CVE

CVE page created: Mon Sep 27 18:00:04 2021
CVE page last modified: Sat Nov 1 22:17:34 2025