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Denial of service in css-what

high severity Published Jun 7, 2021 • Updated Jun 10, 2021
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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

CVE ID

CVE-2021-33587

CVSS Score

7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H