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CVE-2021-23490

nvd nist
Published: Dec 24, 2021Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.

Affected (1)

Parse Link Header Project
1 product
Parse Link Header
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Parse Link Header
Before 2.0.0

Related CWEs

CWE-1333
Inefficient Regular Expression Complexity
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

References (6)

Source: report@snyk.io
PatchThird Party Advisory
Source: report@snyk.io
ExploitPatchThird Party Advisory
Source: report@snyk.io
ExploitPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitPatchThird Party Advisory

Timeline

No history available yet.