{"id":"USN-5771-1","summary":"squid3 regression","details":"USN-3557-1 fixed vulnerabilities in Squid. This update introduced a regression\nwhich could cause the cache log to be filled with many Vary loop messages. This\nupdate fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\nMathias Fischer discovered that Squid incorrectly handled certain long\nstrings in headers. A malicious remote server could possibly cause Squid to\ncrash, resulting in a denial of service. This issue was only addressed in\nUbuntu 16.04 LTS. (CVE-2016-2569)\n\nWilliam Lima discovered that Squid incorrectly handled XML parsing when\nprocessing Edge Side Includes (ESI). A malicious remote server could\npossibly cause Squid to crash, resulting in a denial of service. This issue\nwas only addressed in Ubuntu 16.04 LTS. (CVE-2016-2570)\n\nAlex Rousskov discovered that Squid incorrectly handled response-parsing\nfailures. A malicious remote server could possibly cause Squid to crash,\nresulting in a denial of service. This issue only applied to Ubuntu 16.04\nLTS. (CVE-2016-2571)\n\nSantiago Ruano Rincón discovered that Squid incorrectly handled certain\nVary headers. A remote attacker could possibly use this issue to cause\nSquid to crash, resulting in a denial of service. This issue was only\naddressed in Ubuntu 16.04 LTS. (CVE-2016-3948)\n\nLouis Dion-Marcil discovered that Squid incorrectly handled certain Edge\nSide Includes (ESI) responses. A malicious remote server could possibly\ncause Squid to crash, resulting in a denial of service. (CVE-2018-1000024)\n\nLouis Dion-Marcil discovered that Squid incorrectly handled certain Edge\nSide Includes (ESI) responses. A malicious remote server could possibly\ncause Squid to crash, resulting in a denial of service. (CVE-2018-1000027)\n","modified":"2026-06-25T13:31:38.678470239Z","published":"2022-12-12T00:46:49Z","references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5771-1"},{"type":"REPORT","url":"https://launchpad.net/bugs/1999346"}],"affected":[{"package":{"name":"squid3","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/squid3?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.12-1ubuntu7.16+esm1"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"3.5.12-1ubuntu7.16+esm1","binary_name":"squid"},{"binary_version":"3.5.12-1ubuntu7.16+esm1","binary_name":"squid-cgi"},{"binary_version":"3.5.12-1ubuntu7.16+esm1","binary_name":"squid-common"},{"binary_name":"squid-purge","binary_version":"3.5.12-1ubuntu7.16+esm1"},{"binary_name":"squid3","binary_version":"3.5.12-1ubuntu7.16+esm1"},{"binary_name":"squidclient","binary_version":"3.5.12-1ubuntu7.16+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5771-1.json"}}],"schema_version":"1.7.5"}