CVE-2021-27292: Uncontrolled Resource Consumption

March 17, 2021 (updated March 23, 2021)

ua-parser-js uses a regular expression which is vulnerable to denial of service. If an attacker sends a malicious User-Agent header, ua-parser-js will get stuck processing it for an extended period of time.

References

nvd.nist.gov/vuln/detail/CVE-2021-27292

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