{"id":"USN-4895-1","summary":"squid, squid3 vulnerabilities","details":"Alex Rousskov and Amit Klein discovered that Squid incorrectly handled\ncertain Content-Length headers. A remote attacker could possibly use this\nissue to perform an HTTP request smuggling attack, resulting in cache\npoisoning. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-15049)\n\nJianjun Chen discovered that Squid incorrectly validated certain input. A\nremote attacker could use this issue to perform HTTP Request Smuggling and\npossibly access services forbidden by the security controls.\n(CVE-2020-25097)\n","modified":"2026-02-10T04:42:07Z","published":"2021-03-29T13:05:00Z","related":["UBUNTU-CVE-2020-15049","UBUNTU-CVE-2020-25097"],"upstream":["CVE-2020-15049","CVE-2020-25097","UBUNTU-CVE-2020-15049","UBUNTU-CVE-2020-25097"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4895-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15049"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25097"}],"affected":[{"package":{"name":"squid3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.16?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.12-1ubuntu7.16"}]}],"versions":["3.3.8-1ubuntu16","3.3.8-1ubuntu17","3.5.12-1ubuntu6","3.5.12-1ubuntu7","3.5.12-1ubuntu7.1","3.5.12-1ubuntu7.2","3.5.12-1ubuntu7.3","3.5.12-1ubuntu7.4","3.5.12-1ubuntu7.5","3.5.12-1ubuntu7.6","3.5.12-1ubuntu7.7","3.5.12-1ubuntu7.8","3.5.12-1ubuntu7.9","3.5.12-1ubuntu7.10","3.5.12-1ubuntu7.11","3.5.12-1ubuntu7.12","3.5.12-1ubuntu7.13","3.5.12-1ubuntu7.14","3.5.12-1ubuntu7.15"],"ecosystem_specific":{"binaries":[{"binary_version":"3.5.12-1ubuntu7.16","binary_name":"squid"},{"binary_version":"3.5.12-1ubuntu7.16","binary_name":"squid-cgi"},{"binary_version":"3.5.12-1ubuntu7.16","binary_name":"squid-common"},{"binary_version":"3.5.12-1ubuntu7.16","binary_name":"squid-purge"},{"binary_version":"3.5.12-1ubuntu7.16","binary_name":"squid3"},{"binary_version":"3.5.12-1ubuntu7.16","binary_name":"squidclient"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-25097","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4895-1.json"}},{"package":{"name":"squid3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.10?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.27-1ubuntu1.10"}]}],"versions":["3.5.23-5ubuntu1","3.5.23-5ubuntu2","3.5.27-1ubuntu1","3.5.27-1ubuntu1.1","3.5.27-1ubuntu1.2","3.5.27-1ubuntu1.3","3.5.27-1ubuntu1.4","3.5.27-1ubuntu1.5","3.5.27-1ubuntu1.6","3.5.27-1ubuntu1.7","3.5.27-1ubuntu1.8","3.5.27-1ubuntu1.9"],"ecosystem_specific":{"binaries":[{"binary_version":"3.5.27-1ubuntu1.10","binary_name":"squid"},{"binary_version":"3.5.27-1ubuntu1.10","binary_name":"squid-cgi"},{"binary_version":"3.5.27-1ubuntu1.10","binary_name":"squid-common"},{"binary_version":"3.5.27-1ubuntu1.10","binary_name":"squid-purge"},{"binary_version":"3.5.27-1ubuntu1.10","binary_name":"squid3"},{"binary_version":"3.5.27-1ubuntu1.10","binary_name":"squidclient"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-25097","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4895-1.json"}},{"package":{"name":"squid","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/squid@4.10-1ubuntu1.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.10-1ubuntu1.3"}]}],"versions":["4.8-1ubuntu2","4.8-1ubuntu3","4.9-2ubuntu1","4.9-2ubuntu2","4.9-2ubuntu3","4.9-2ubuntu4","4.10-1ubuntu1","4.10-1ubuntu1.1","4.10-1ubuntu1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"4.10-1ubuntu1.3","binary_name":"squid"},{"binary_version":"4.10-1ubuntu1.3","binary_name":"squid-cgi"},{"binary_version":"4.10-1ubuntu1.3","binary_name":"squid-common"},{"binary_version":"4.10-1ubuntu1.3","binary_name":"squid-purge"},{"binary_version":"4.10-1ubuntu1.3","binary_name":"squidclient"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-15049","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2020-25097","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4895-1.json"}}],"schema_version":"1.7.3"}