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Denial of service in css-what

High severity GitHub Reviewed Published Jun 7, 2021 to the GitHub Advisory Database • Updated Nov 29, 2023

Package

npm css-what (npm)

Affected versions

>= 4.0.0, <= 5.0.0

Patched versions

5.0.1

Description

The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.

References

Published by the National Vulnerability Database May 28, 2021
Reviewed Jun 1, 2021
Published to the GitHub Advisory Database Jun 7, 2021
Last updated Nov 29, 2023

Severity

High
7.5
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2021-33587

GHSA ID

GHSA-q8pj-2vqx-8ggc

Source code

Checking history
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