CVE-2020-27223: Uncontrolled Resource Consumption

February 26, 2021 (updated September 16, 2021)

When Jetty handles a request containing multiple Accept headers with a large number of quality (i.e., q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.

References

bugs.eclipse.org/bugs/show_bug.cgi?id=571128
nvd.nist.gov/vuln/detail/CVE-2020-27223

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