{"id":"USN-6500-2","summary":"squid3 vulnerabilities","details":"USN-6500-1 fixed several vulnerabilities in Squid. This update provides\nthe corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.\n\nOriginal advisory details:\n\n Joshua Rogers discovered that Squid incorrectly handled the Gopher\n protocol. A remote attacker could possibly use this issue to cause Squid to\n crash, resulting in a denial of service. Gopher support has been disabled\n in this update. (CVE-2023-46728)\n\n Joshua Rogers discovered that Squid incorrectly handled HTTP Digest\n Authentication. A remote attacker could possibly use this issue to cause\n Squid to crash, resulting in a denial of service. (CVE-2023-46847)\n","modified":"2026-02-10T04:43:26Z","published":"2023-12-11T11:40:02Z","related":["UBUNTU-CVE-2023-46728","UBUNTU-CVE-2023-46847"],"upstream":["CVE-2023-46728","CVE-2023-46847","UBUNTU-CVE-2023-46728","UBUNTU-CVE-2023-46847"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6500-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-46728"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-46847"}],"affected":[{"package":{"name":"squid3","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.16+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.12-1ubuntu7.16+esm2"}]}],"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","3.5.12-1ubuntu7.16","3.5.12-1ubuntu7.16+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.5.12-1ubuntu7.16+esm2","binary_name":"squid"},{"binary_version":"3.5.12-1ubuntu7.16+esm2","binary_name":"squid-cgi"},{"binary_version":"3.5.12-1ubuntu7.16+esm2","binary_name":"squid-common"},{"binary_version":"3.5.12-1ubuntu7.16+esm2","binary_name":"squid-purge"},{"binary_version":"3.5.12-1ubuntu7.16+esm2","binary_name":"squid3"},{"binary_version":"3.5.12-1ubuntu7.16+esm2","binary_name":"squidclient"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"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":"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"}],"id":"CVE-2023-46728"},{"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":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-46847"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6500-2.json"}},{"package":{"name":"squid3","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.14+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.27-1ubuntu1.14+esm1"}]}],"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","3.5.27-1ubuntu1.10","3.5.27-1ubuntu1.11","3.5.27-1ubuntu1.12","3.5.27-1ubuntu1.13","3.5.27-1ubuntu1.14"],"ecosystem_specific":{"binaries":[{"binary_version":"3.5.27-1ubuntu1.14+esm1","binary_name":"squid"},{"binary_version":"3.5.27-1ubuntu1.14+esm1","binary_name":"squid-cgi"},{"binary_version":"3.5.27-1ubuntu1.14+esm1","binary_name":"squid-common"},{"binary_version":"3.5.27-1ubuntu1.14+esm1","binary_name":"squid-purge"},{"binary_version":"3.5.27-1ubuntu1.14+esm1","binary_name":"squid3"},{"binary_version":"3.5.27-1ubuntu1.14+esm1","binary_name":"squidclient"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"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":"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"}],"id":"CVE-2023-46728"},{"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":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-46847"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6500-2.json"}}],"schema_version":"1.7.3"}