{"id":"UBUNTU-CVE-2021-44040","details":"Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1.","modified":"2026-04-22T13:02:50.298917Z","published":"2022-03-23T14:15:00Z","upstream":["CVE-2021-44040"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-44040"},{"type":"REPORT","url":"https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-44040"}],"affected":[{"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/2021/UBUNTU-CVE-2021-44040.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/2021/UBUNTU-CVE-2021-44040.json"}},{"package":{"name":"trafficserver","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/trafficserver@9.1.1+ds-2ubuntu0.1+esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.1.1+ds-1.1","9.1.1+ds-2build1","9.1.1+ds-2ubuntu0.1~esm1","9.1.1+ds-2ubuntu0.1","9.1.1+ds-2ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"trafficserver","binary_version":"9.1.1+ds-2ubuntu0.1+esm1"},{"binary_name":"trafficserver-experimental-plugins","binary_version":"9.1.1+ds-2ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44040.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:H/A:N"},{"type":"Ubuntu","score":"medium"}]}