CVE-2020-27223

Name	CVE-2020-27223
Description	In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
jetty9 (PTS)	stretch, stretch (security)	9.2.21-1+deb9u1	vulnerable
	buster	9.4.15-1	vulnerable
	bullseye, sid	9.4.39-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
jetty9	source	(unstable)	9.4.38-1

Notes

[stretch] - jetty9 <no-dsa> (Minor issue)
https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128
https://github.com/eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7