VYPR
Medium severity5.3NVD Advisory· Published Feb 24, 2022· Updated Jun 17, 2026

CVE-2021-44532

CVE-2021-44532

Description

Node.js < 12.22.9, < 14.18.3, < 16.13.2, and < 17.3.1 converts SANs (Subject Alternative Names) to a string format. It uses this string to check peer certificates against hostnames when validating connections. The string format was subject to an injection vulnerability when name constraints were used within a certificate chain, allowing the bypass of these name constraints.Versions of Node.js with the fix for this escape SANs containing the problematic characters in order to prevent the injection. This behavior can be reverted through the --security-revert command-line option.

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Affected products

35

Patches

Vulnerability mechanics

References

6

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