[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$faxvY2w71lLI9D4h3D1uagyagdx3uMTn5RLgzshJXFMg":3,"g5a-risk:CVE-2016-4553":279},{"success":4,"data":5,"meta":277},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":43,"epssPercentile":27,"epssTimeSeries":44,"severity":46,"affectedProducts":47,"affectedProductsCount":99,"references":100,"referencesCount":176,"weaknesses":177,"weaknessesCount":185,"isActivelyExploited":41,"cisaInfo":27,"otxData":27,"relatedBlogPosts":186,"seoMetadata":187,"configurations":212,"relatedVendorCves":261,"notableEvents":262},"CVE-2016-4553","What is CVE-2016-4553?","client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.","client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attac...","2016-05-10T19:59:00.137","2026-06-17T00:47:46.123",8.6,"CVSS:3.0\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:C\u002FC:N\u002FI:H\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":16,"CVSSMetricV2":30,"CVSSMetricV40":42},[],[17],{"Source":18,"Type":19,"CVSSData":20,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":21,"VectorString":13,"AttackVector":22,"AttackComplexity":23,"PrivilegesRequired":24,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":24,"IntegrityImpact":26,"AvailabilityImpact":24,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.0","NETWORK","LOW","NONE","CHANGED","HIGH",null,3.9,4,[31],{"Source":18,"Type":19,"CVSSData":32,"BaseSeverity":38,"ExploitabilityScore":39,"ImpactScore":40,"ACInsufInfo":41,"ObtainAllPrivilege":41,"ObtainUserPrivilege":41,"ObtainOtherPrivilege":41,"UserInteractionRequired":41},{"Version":33,"VectorString":34,"AccessVector":22,"AccessComplexity":23,"Authentication":24,"ConfidentialityImpact":24,"IntegrityImpact":35,"AvailabilityImpact":24,"BaseScore":36,"BaseSeverity":37,"Exploitability":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"CollateralDamagePotential":27,"TargetDistribution":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"EnvironmentalScore":27},"2.0","AV:N\u002FAC:L\u002FAu:N\u002FC:N\u002FI:P\u002FA:N","PARTIAL",5,"","MEDIUM",10,2.9,false,[],0.79969,[45,43,43,43,43,43,43],0.79651,"High",[48,53,56,59,62,67,70,73,76,79,82,85,88,91,94],{"vendor":49,"product":50,"version":51,"criteria":52,"vulnerable":4},"canonical","ubuntu_linux","12.04","cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",{"vendor":49,"product":50,"version":54,"criteria":55,"vulnerable":4},"14.04","cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",{"vendor":49,"product":50,"version":57,"criteria":58,"vulnerable":4},"15.10","cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",{"vendor":49,"product":50,"version":60,"criteria":61,"vulnerable":4},"16.04","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",{"vendor":63,"product":64,"version":65,"criteria":66,"vulnerable":4},"squid-cache","squid","*","cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":68,"criteria":69,"vulnerable":4},"4.0.1","cpe:2.3:a:squid-cache:squid:4.0.1:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":71,"criteria":72,"vulnerable":4},"4.0.2","cpe:2.3:a:squid-cache:squid:4.0.2:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":74,"criteria":75,"vulnerable":4},"4.0.3","cpe:2.3:a:squid-cache:squid:4.0.3:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":77,"criteria":78,"vulnerable":4},"4.0.4","cpe:2.3:a:squid-cache:squid:4.0.4:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":80,"criteria":81,"vulnerable":4},"4.0.5","cpe:2.3:a:squid-cache:squid:4.0.5:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":83,"criteria":84,"vulnerable":4},"4.0.6","cpe:2.3:a:squid-cache:squid:4.0.6:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":86,"criteria":87,"vulnerable":4},"4.0.7","cpe:2.3:a:squid-cache:squid:4.0.7:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":89,"criteria":90,"vulnerable":4},"4.0.8","cpe:2.3:a:squid-cache:squid:4.0.8:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":92,"criteria":93,"vulnerable":4},"4.0.9","cpe:2.3:a:squid-cache:squid:4.0.9:*:*:*:*:*:*:*",{"vendor":95,"product":96,"version":97,"criteria":98,"vulnerable":4},"oracle","linux","7","cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*",15,[101,106,110,113,116,120,125,129,132,135,139,143,146,150,152,154,156,158,160,162,164,166,168,170,172,174],{"url":102,"source":103,"tags":104},"http:\u002F\u002Fbugs.squid-cache.org\u002Fshow_bug.cgi?id=4501","Squid-cache",[105],"Vendor Advisory",{"url":107,"source":108,"tags":109},"http:\u002F\u002Flists.opensuse.org\u002Fopensuse-security-announce\u002F2016-08\u002Fmsg00010.html","Opensuse",[],{"url":111,"source":108,"tags":112},"http:\u002F\u002Flists.opensuse.org\u002Fopensuse-security-announce\u002F2016-08\u002Fmsg00040.html",[],{"url":114,"source":108,"tags":115},"http:\u002F\u002Flists.opensuse.org\u002Fopensuse-updates\u002F2016-08\u002Fmsg00069.html",[],{"url":117,"source":118,"tags":119},"http:\u002F\u002Fwww.debian.org\u002Fsecurity\u002F2016\u002Fdsa-3625","Debian",[],{"url":121,"source":122,"tags":123},"http:\u002F\u002Fwww.oracle.com\u002Ftechnetwork\u002Ftopics\u002Fsecurity\u002Flinuxbulletinapr2016-2952096.html","Oracle",[124],"Third Party Advisory",{"url":126,"source":127,"tags":128},"http:\u002F\u002Fwww.securitytracker.com\u002Fid\u002F1035768","Securitytracker",[124],{"url":130,"source":103,"tags":131},"http:\u002F\u002Fwww.squid-cache.org\u002FAdvisories\u002FSQUID-2016_7.txt",[105],{"url":133,"source":103,"tags":134},"http:\u002F\u002Fwww.squid-cache.org\u002FVersions\u002Fv3\u002F3.5\u002Fchangesets\u002Fsquid-3.5-14039.patch",[],{"url":136,"source":137,"tags":138},"http:\u002F\u002Fwww.ubuntu.com\u002Fusn\u002FUSN-2995-1","Ubuntu",[124],{"url":140,"source":141,"tags":142},"https:\u002F\u002Faccess.redhat.com\u002Ferrata\u002FRHSA-2016:1139","Red Hat",[],{"url":144,"source":141,"tags":145},"https:\u002F\u002Faccess.redhat.com\u002Ferrata\u002FRHSA-2016:1140",[],{"url":147,"source":148,"tags":149},"https:\u002F\u002Fsecurity.gentoo.org\u002Fglsa\u002F201607-01","Gentoo",[],{"url":102,"source":103,"tags":151},[105],{"url":107,"source":108,"tags":153},[],{"url":111,"source":108,"tags":155},[],{"url":114,"source":108,"tags":157},[],{"url":117,"source":118,"tags":159},[],{"url":121,"source":122,"tags":161},[124],{"url":126,"source":127,"tags":163},[124],{"url":130,"source":103,"tags":165},[105],{"url":133,"source":103,"tags":167},[],{"url":136,"source":137,"tags":169},[124],{"url":140,"source":141,"tags":171},[],{"url":144,"source":141,"tags":173},[],{"url":147,"source":148,"tags":175},[],26,[178],{"id":179,"name":180,"description":181,"extendedDescription":37,"status":182,"abstraction":183,"structure":184},"CWE-345","Insufficient Verification of Data Authenticity","The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.","Draft","Class","Simple",1,[],{"title":188,"metaDescription":189,"keywords":190,"canonicalUrl":191,"structuredData":192},"What is CVE-2016-4553? Vulnerability Analysis | Security Advisory | EdgeProtect","Comprehensive analysis of CVE-2016-4553, a high severity cyber security vulnerability from 2016. High exploit probability (80.0%). client_side.cc in Squid be...","CVE-2016-4553, CVE-2016-4553 vulnerability, CVE-2016-4553 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2016, CVSS score, exploit, patch, remediation, canonical security, squid-cache security, ubuntu_linux vulnerability, squid vulnerability, high risk vulnerability, actively exploited, exploit available","\u002Fwhat-is\u002Fcve-2016-4553",{"@context":193,"@type":194,"headline":188,"description":189,"datePublished":10,"dateModified":11,"author":195,"publisher":199,"about":203,"mainEntityOfPage":207,"articleSection":210,"keywords":211},"https:\u002F\u002Fschema.org","TechArticle",{"@type":196,"name":197,"url":198},"Organization","EdgeProtect","https:\u002F\u002Fedgeprotect.io",{"@type":196,"name":197,"url":198,"logo":200},{"@type":201,"url":202},"ImageObject","https:\u002F\u002Fedgeprotect.io\u002Fimg\u002Flogos\u002Fedgeprotect-logo-512.png",{"@type":204,"name":6,"description":205,"additionalType":206},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":208,"@id":209},"WebPage","https:\u002F\u002Fedgeprotect.io\u002Fwhat-is\u002Fcve-2016-4553","Cybersecurity","CVE-2016-4553, CVE-2016-4553 vulnerability, CVE-2016-4553 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[213,226,233,255],{"Operator":27,"Negate":27,"Nodes":214},[215],{"Operator":216,"Negate":41,"CPEMatch":217},"OR",[218,220,222,224],{"Vulnerable":4,"Criteria":52,"MatchCriteriaID":219,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F",{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":221,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"B5A6F2F3-4894-4392-8296-3B8DD2679084",{"Vulnerable":4,"Criteria":58,"MatchCriteriaID":223,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"E88A537F-F4D0-46B9-9E37-965233C2A355",{"Vulnerable":4,"Criteria":61,"MatchCriteriaID":225,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",{"Operator":27,"Negate":27,"Nodes":227},[228],{"Operator":216,"Negate":41,"CPEMatch":229},[230],{"Vulnerable":4,"Criteria":66,"MatchCriteriaID":231,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":232},"C563F5CC-F4FB-4440-981E-EA2C003A639C","3.5.17",{"Operator":27,"Negate":27,"Nodes":234},[235],{"Operator":216,"Negate":41,"CPEMatch":236},[237,239,241,243,245,247,249,251,253],{"Vulnerable":4,"Criteria":69,"MatchCriteriaID":238,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"060FCBEA-DEAA-42FB-88C9-4B78136B172F",{"Vulnerable":4,"Criteria":72,"MatchCriteriaID":240,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"74987102-8CA8-4120-B686-F18579A96A46",{"Vulnerable":4,"Criteria":75,"MatchCriteriaID":242,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"DA7828AA-48B6-44CD-8507-345A4F0A25BC",{"Vulnerable":4,"Criteria":78,"MatchCriteriaID":244,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"6640F25F-CC8B-4B05-A97A-2186BD0B5ED8",{"Vulnerable":4,"Criteria":81,"MatchCriteriaID":246,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"A037F780-6FC9-4130-908F-B5434FA0C7DE",{"Vulnerable":4,"Criteria":84,"MatchCriteriaID":248,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"1DDEB455-F082-44E4-8CEA-019C0084BF05",{"Vulnerable":4,"Criteria":87,"MatchCriteriaID":250,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"49555803-288E-4B0A-B12A-890E5E0AD05F",{"Vulnerable":4,"Criteria":90,"MatchCriteriaID":252,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"EBEE374C-365E-49DE-A9F9-6083044C774D",{"Vulnerable":4,"Criteria":93,"MatchCriteriaID":254,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"1B6B2A8E-DD81-43CD-9F5B-E8F87498E513",{"Operator":27,"Negate":27,"Nodes":256},[257],{"Operator":216,"Negate":41,"CPEMatch":258},[259],{"Vulnerable":4,"Criteria":98,"MatchCriteriaID":260,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"104DA87B-DEE4-4262-AE50-8E6BC43B228B",[],[263,270],{"id":264,"eventType":265,"eventTime":266,"details":267,"label":268,"color":269},"5616364e-b56b-4080-a402-89d2bdb2343b","LOW_EPSS_DELTA","2025-07-31T04:09:40.402315+00:00","Daily EPSS score decreased by 0.409 on 2023-12-30","EPSS Score Decreased","green",{"id":271,"eventType":272,"eventTime":273,"details":274,"label":275,"color":276},"3f51a9e2-cc4c-4b78-a76f-7f8d6e67b5a3","HIGH_EPSS_DELTA","2025-10-02T08:27:34.950875+00:00","Daily EPSS score increased by 0.433 on 2023-12-30","EPSS Score Increased","red",{"lastModified":11,"cacheTime":278,"version":33},1793197585132,{"score":280,"band":281,"action":282,"scoredAt":283},60,"Medium","Plan remediation","2026-07-01T10:19:50.733722+00:00"]