What’s Vulnerable › Vulnerabilities

CVE-2021-33587

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-28 · updated 2026-06-17

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.

Affected products

• css-what: 4.0.0, 5.0.0
• NetApp E-Series Performance Analyzer: all versions

References

• https://github.com/fb55/css-what/releases/tag/v5.0.1
• https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
• https://security.netapp.com/advisory/ntap-20210706-0007/
• https://github.com/fb55/css-what/releases/tag/v5.0.1
• https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
• https://security.netapp.com/advisory/ntap-20210706-0007/

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