{"api_version":"1","generated_at":"2026-04-23T02:16:50+00:00","cve":"CVE-2019-18860","urls":{"html":"https://cve.report/CVE-2019-18860","api":"https://cve.report/api/cve/CVE-2019-18860.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-18860","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-18860"},"summary":{"title":"CVE-2019-18860","description":"Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-03-20 21:15:00","updated_at":"2023-01-24 02:12:00"},"problem_types":["CWE-74"],"metrics":[],"references":[{"url":"https://github.com/squid-cache/squid/pull/505","name":"https://github.com/squid-cache/squid/pull/505","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Prep for v4.9 by yadij · Pull Request #505 · squid-cache/squid · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html","name":"[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 2278-1] squid3 security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html","name":"openSUSE-SU-2020:0623","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2020:0623-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/squid-cache/squid/pull/504","name":"https://github.com/squid-cache/squid/pull/504","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"cachemgr.cgi: Add validation for hostname parameter by aaron-costello · Pull Request #504 · squid-cache/squid · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.debian.org/security/2020/dsa-4732","name":"DSA-4732","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-4732-1 squid","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/4356-1/","name":"USN-4356-1","refsource":"UBUNTU","tags":[],"title":"USN-4356-1: Squid vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-18860","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18860","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"esm","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"19.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"20.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"opensuse","cpe5":"leap","cpe6":"15.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"squid-cache","cpe5":"squid","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"18860","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"squid-cache","cpe5":"squid","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-18860","qid":"159658","title":"Oracle Enterprise Linux Security Update for squid:4 (ELSA-2020-4743)"},{"cve":"CVE-2019-18860","qid":"296075","title":"Oracle Solaris 11.4 Support Repository Update (SRU) 21.69.0 Missing (CPUAPR2020)"},{"cve":"CVE-2019-18860","qid":"356430","title":"Amazon Linux Security Advisory for squid : ALAS2-2023-2318"},{"cve":"CVE-2019-18860","qid":"377360","title":"Alibaba Cloud Linux Security Update for squid:4 (ALINUX3-SA-2022:0124)"},{"cve":"CVE-2019-18860","qid":"940034","title":"AlmaLinux Security Update for squid:4 (ALSA-2020:4743)"},{"cve":"CVE-2019-18860","qid":"960867","title":"Rocky Linux Security Update for squid:4 (RLSA-2020:4743)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-18860","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"CONFIRM","name":"https://github.com/squid-cache/squid/pull/504","url":"https://github.com/squid-cache/squid/pull/504"},{"refsource":"MISC","name":"https://github.com/squid-cache/squid/pull/505","url":"https://github.com/squid-cache/squid/pull/505"},{"refsource":"SUSE","name":"openSUSE-SU-2020:0623","url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html"},{"refsource":"UBUNTU","name":"USN-4356-1","url":"https://usn.ubuntu.com/4356-1/"},{"refsource":"MLIST","name":"[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"},{"refsource":"DEBIAN","name":"DSA-4732","url":"https://www.debian.org/security/2020/dsa-4732"}]}},"nvd":{"publishedDate":"2020-03-20 21:15:00","lastModifiedDate":"2023-01-24 02:12:00","problem_types":["CWE-74"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*","versionEndExcluding":"4.9","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"18860","Ordinal":"160426","Title":"CVE-2019-18860","CVE":"CVE-2019-18860","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"18860","Ordinal":"1","NoteData":"Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"18860","Ordinal":"2","NoteData":"2020-03-20","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"18860","Ordinal":"3","NoteData":"2020-07-22","Type":"Other","Title":"Modified"}]}}}