CVE-2021-3842 - Vulnerability Details - OpenCVE

Description

nltk is vulnerable to Inefficient Regular Expression Complexity

Published: 2022-01-04

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

nltk

nltk/nltk

affected

Version	Status	Constraints
`unspecified`	affected	< 3.6.6

Configuration 1 [-]

cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

Configuration 3 [-]

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-0162	nltk is vulnerable to Inefficient Regular Expression Complexity
Github GHSA	GHSA-rqjh-jp2r-59cj	NLTK Vulnerable to REDoS
Ubuntu USN	USN-7365-1	NLTK vulnerabilities

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00411.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d
https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a

History

No history.

Subscriptions

Debian Debian Linux

Fedoraproject Fedora

Nltk Nltk

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2022-01-04T14:50:09.000Z

Updated: 2024-08-03T17:09:09.531Z

Reserved: 2021-09-30T00:00:00.000Z

Link: CVE-2021-3842

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-04T15:15:07.833

Modified: 2024-11-21T06:22:36.753

Link: CVE-2021-3842

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1333

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