{"id":"UBUNTU-CVE-2020-9494","details":"Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread.","modified":"2026-04-22T12:44:38.507024Z","published":"2020-06-24T16:15:00Z","related":["USN-5360-1"],"upstream":["CVE-2020-9494"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-9494"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/rf7f86917f42fdaf904d99560cba0c016e03baea6244c47efeb60ecbe%40%3Cdev.trafficserver.apache.org%3E"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5360-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-9494"}],"affected":[{"package":{"name":"trafficserver","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/trafficserver@5.3.0-2ubuntu2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.3.0-2ubuntu1","5.3.0-2ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"5.3.0-2ubuntu2","binary_name":"trafficserver"},{"binary_name":"trafficserver-experimental-plugins","binary_version":"5.3.0-2ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9494.json"}},{"package":{"name":"trafficserver","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/trafficserver@7.1.2+ds-3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.0-5","7.1.2+ds-2","7.1.2+ds-2build1","7.1.2+ds-3"],"ecosystem_specific":{"binaries":[{"binary_name":"trafficserver","binary_version":"7.1.2+ds-3"},{"binary_name":"trafficserver-experimental-plugins","binary_version":"7.1.2+ds-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9494.json"}},{"package":{"name":"trafficserver","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/trafficserver@8.0.5+ds-3ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.0.5+ds-1","8.0.5+ds-2","8.0.5+ds-2build1","8.0.5+ds-2ubuntu1","8.0.5+ds-3","8.0.5+ds-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"trafficserver","binary_version":"8.0.5+ds-3ubuntu0.1~esm1"},{"binary_name":"trafficserver-experimental-plugins","binary_version":"8.0.5+ds-3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9494.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}