{"id":"USN-8157-1","summary":"squid vulnerabilities","details":"It was discovered that Squid incorrectly handled certain ICP traffic. In\nenvironments where ICP support is enabled, a remote attacker could use this\nissue to cause Squid to crash, resulting in a denial of service, or obtain\nsmall amounts of sensitive information.","modified":"2026-04-27T18:47:31.189236Z","published":"2026-04-08T12:37:53Z","related":["UBUNTU-CVE-2026-32748","UBUNTU-CVE-2026-33515","UBUNTU-CVE-2026-33526"],"upstream":["CVE-2026-32748","CVE-2026-33515","CVE-2026-33526","UBUNTU-CVE-2026-32748","UBUNTU-CVE-2026-33515","UBUNTU-CVE-2026-33526"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8157-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-32748"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-33515"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-33526"}],"affected":[{"package":{"name":"squid","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/squid@5.9-0ubuntu0.22.04.5?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9-0ubuntu0.22.04.5"}]}],"versions":["4.13-10ubuntu5","5.2-1ubuntu1","5.2-1ubuntu3","5.2-1ubuntu4","5.2-1ubuntu4.1","5.2-1ubuntu4.2","5.2-1ubuntu4.3","5.7-0ubuntu0.22.04.1","5.7-0ubuntu0.22.04.2","5.7-0ubuntu0.22.04.3","5.7-0ubuntu0.22.04.4","5.9-0ubuntu0.22.04.1","5.9-0ubuntu0.22.04.2","5.9-0ubuntu0.22.04.3","5.9-0ubuntu0.22.04.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.9-0ubuntu0.22.04.5","binary_name":"squid"},{"binary_version":"5.9-0ubuntu0.22.04.5","binary_name":"squid-cgi"},{"binary_version":"5.9-0ubuntu0.22.04.5","binary_name":"squid-common"},{"binary_version":"5.9-0ubuntu0.22.04.5","binary_name":"squid-openssl"},{"binary_version":"5.9-0ubuntu0.22.04.5","binary_name":"squid-purge"},{"binary_version":"5.9-0ubuntu0.22.04.5","binary_name":"squidclient"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8157-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-32748"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33515"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33526"}],"ecosystem":"Ubuntu:22.04:LTS"}}},{"package":{"name":"squid","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/squid@6.14-0ubuntu0.24.04.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.14-0ubuntu0.24.04.2"}]}],"versions":["6.1-2ubuntu1","6.1-2ubuntu2","6.5-1ubuntu1","6.5-1ubuntu2","6.5-1ubuntu3","6.6-1ubuntu4","6.6-1ubuntu5","6.6-1ubuntu5.1","6.10-0ubuntu0.24.04.1","6.13-0ubuntu0.24.04.1","6.13-0ubuntu0.24.04.2","6.13-0ubuntu0.24.04.3","6.14-0ubuntu0.24.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.14-0ubuntu0.24.04.2","binary_name":"squid"},{"binary_version":"6.14-0ubuntu0.24.04.2","binary_name":"squid-cgi"},{"binary_version":"6.14-0ubuntu0.24.04.2","binary_name":"squid-common"},{"binary_version":"6.14-0ubuntu0.24.04.2","binary_name":"squid-openssl"},{"binary_version":"6.14-0ubuntu0.24.04.2","binary_name":"squid-purge"},{"binary_version":"6.14-0ubuntu0.24.04.2","binary_name":"squidclient"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8157-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-32748"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33515"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33526"}],"ecosystem":"Ubuntu:24.04:LTS"}}},{"package":{"name":"squid","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/squid@6.14-0ubuntu0.25.10.2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.14-0ubuntu0.25.10.2"}]}],"versions":["6.13-1ubuntu1","6.13-1ubuntu2","6.13-1ubuntu3","6.13-1ubuntu4","6.13-1ubuntu4.1","6.14-0ubuntu0.25.10.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.14-0ubuntu0.25.10.2","binary_name":"squid"},{"binary_version":"6.14-0ubuntu0.25.10.2","binary_name":"squid-cgi"},{"binary_version":"6.14-0ubuntu0.25.10.2","binary_name":"squid-common"},{"binary_version":"6.14-0ubuntu0.25.10.2","binary_name":"squid-openssl"},{"binary_version":"6.14-0ubuntu0.25.10.2","binary_name":"squid-purge"},{"binary_version":"6.14-0ubuntu0.25.10.2","binary_name":"squidclient"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8157-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-32748"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33515"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33526"}],"ecosystem":"Ubuntu:25.10"}}}],"schema_version":"1.7.5"}