{"id":"UBUNTU-CVE-2021-41585","details":"Improper Input Validation vulnerability in accepting socket connections in Apache Traffic Server allows an attacker to make the server stop accepting new connections. This issue affects Apache Traffic Server 5.0.0 to 9.1.0.","modified":"2026-02-12T19:22:02.477802Z","published":"2021-11-03T16:15:00Z","withdrawn":"2026-02-12T16:53:17Z","upstream":["CVE-2021-41585"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-41585"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2021/11/02/11"},{"type":"REPORT","url":"https://github.com/apache/trafficserver/pull/8456/"},{"type":"REPORT","url":"https://github.com/apache/trafficserver/commit/268b540edae0b3e51d033795a4dd7404a5756a93"},{"type":"REPORT","url":"https://github.com/apache/trafficserver/commit/2b078741ecf14cbc7f5773b3e14ef0c1d3cf4cfb"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-41585"}],"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_name":"trafficserver","binary_version":"5.3.0-2ubuntu2"},{"binary_name":"trafficserver-dev","binary_version":"5.3.0-2ubuntu2"},{"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/2021/UBUNTU-CVE-2021-41585.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-dev","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-2021-41585.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-dev","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-2021-41585.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"],"ecosystem_specific":{"binaries":[{"binary_name":"trafficserver","binary_version":"9.1.1+ds-2ubuntu0.1~esm1"},{"binary_version":"9.1.1+ds-2ubuntu0.1~esm1","binary_name":"trafficserver-dev"},{"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-2021-41585.json"}},{"package":{"name":"trafficserver","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/trafficserver@9.2.3+ds-1+deb12u1build4?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.2.1+ds-1build1","9.2.2+ds-1","9.2.3+ds-1","9.2.3+ds-1+deb12u1","9.2.3+ds-1+deb12u1build1","9.2.3+ds-1+deb12u1build3","9.2.3+ds-1+deb12u1build4"],"ecosystem_specific":{"binaries":[{"binary_name":"trafficserver","binary_version":"9.2.3+ds-1+deb12u1build4"},{"binary_version":"9.2.3+ds-1+deb12u1build4","binary_name":"trafficserver-dev"},{"binary_name":"trafficserver-experimental-plugins","binary_version":"9.2.3+ds-1+deb12u1build4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41585.json"}},{"package":{"name":"trafficserver","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/trafficserver@9.2.5+ds-1ubuntu2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.2.5+ds-1ubuntu1","9.2.5+ds-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"trafficserver","binary_version":"9.2.5+ds-1ubuntu2"},{"binary_name":"trafficserver-dev","binary_version":"9.2.5+ds-1ubuntu2"},{"binary_name":"trafficserver-experimental-plugins","binary_version":"9.2.5+ds-1ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41585.json"}}],"schema_version":"1.7.3","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"}]}