{"id":"UBUNTU-CVE-2020-27223","details":"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.","modified":"2025-10-24T04:48:50Z","published":"2021-02-26T22:15:00Z","upstream":["CVE-2020-27223"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-27223"},{"type":"REPORT","url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128"},{"type":"REPORT","url":"https://github.com/eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-27223"}],"affected":[{"package":{"name":"jetty9","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/jetty9@9.2.14-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.2.14-1"],"ecosystem_specific":{"binaries":[{"binary_name":"jetty9","binary_version":"9.2.14-1"},{"binary_name":"libjetty9-extra-java","binary_version":"9.2.14-1"},{"binary_name":"libjetty9-java","binary_version":"9.2.14-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27223.json"}},{"package":{"name":"jetty9","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/jetty9@9.4.15-1~18.04.1ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.2.22-2","9.2.22-3","9.2.23-1","9.4.15-1~18.04.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"9.4.15-1~18.04.1ubuntu1","binary_name":"jetty9"},{"binary_name":"libjetty9-extra-java","binary_version":"9.4.15-1~18.04.1ubuntu1"},{"binary_name":"libjetty9-java","binary_version":"9.4.15-1~18.04.1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27223.json"}},{"package":{"name":"jetty9","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/jetty9@9.4.26-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.4.18-2build2","9.4.26-1"],"ecosystem_specific":{"binaries":[{"binary_version":"9.4.26-1","binary_name":"jetty9"},{"binary_name":"libjetty9-extra-java","binary_version":"9.4.26-1"},{"binary_name":"libjetty9-java","binary_version":"9.4.26-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27223.json"}},{"package":{"name":"jetty9","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/jetty9@9.4.45-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.4.39-3","9.4.44-2","9.4.44-3","9.4.44-4","9.4.45-1"],"ecosystem_specific":{"binaries":[{"binary_name":"jetty9","binary_version":"9.4.45-1"},{"binary_name":"libjetty9-extra-java","binary_version":"9.4.45-1"},{"binary_name":"libjetty9-java","binary_version":"9.4.45-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27223.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}