CVE-2021-23490: Inefficient Regular Expression Complexity

December 24, 2021 (updated August 8, 2023)

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

References

github.com/thlorenz/parse-link-header/commit/72f05c717b3f129c5331a07bf300ed8886eb8ae1
nvd.nist.gov/vuln/detail/CVE-2021-23490
snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2321973
snyk.io/vuln/SNYK-JS-PARSELINKHEADER-1582783

Code Behaviors & Features

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