CVE-2016-3948

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{"criteria": "cpe:2.3:a:squid-cache:squid:4.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "DA7828AA-48B6-44CD-8507-345A4F0A25BC", "vulnerable": true}, {"criteria": "cpe:2.3:a:squid-cache:squid:4.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "6640F25F-CC8B-4B05-A97A-2186BD0B5ED8", "vulnerable": true}, {"criteria": "cpe:2.3:a:squid-cache:squid:4.0.5:*:*:*:*:*:*:*", "matchCriteriaId": "A037F780-6FC9-4130-908F-B5434FA0C7DE", "vulnerable": true}, {"criteria": "cpe:2.3:a:squid-cache:squid:4.0.6:*:*:*:*:*:*:*", "matchCriteriaId": "1DDEB455-F082-44E4-8CEA-019C0084BF05", "vulnerable": true}, {"criteria": "cpe:2.3:a:squid-cache:squid:4.0.7:*:*:*:*:*:*:*", "matchCriteriaId": "49555803-288E-4B0A-B12A-890E5E0AD05F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers."}, {"lang": "es", "value": "Squid 3.x en versiones anteriores a 3.5.16 y 4.x en versiones anteriores a 4.0.8 no realiza adecuadamente la comprobaci\u00f3n de l\u00edmites, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio a trav\u00e9s de una respuesta HTTP manipulada, relacionada con cabeceras Vary."}], "id": "CVE-2016-3948", "lastModified": "2026-06-17T00:46:37.087", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-07T18:59:01.607", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html"}, {"source": "cve@mitre.org", "url": "http://rhn.redhat.com/errata/RHSA-2016-2600.html"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1035458"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.squid-cache.org/Advisories/SQUID-2016_4.txt"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14016.patch"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201607-01"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/3557-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-2600.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1035458"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.squid-cache.org/Advisories/SQUID-2016_4.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14016.patch"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201607-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/3557-1/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2016:2600", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "squid-7:3.5.20-2.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-11-03T00:00:00Z"}], "bugzilla": {"description": "squid: denial of service issue in HTTP response processing", "id": "1323594", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1323594"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-617", "details": ["Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.", "An incorrect boundary check was found in the way squid handled the Vary header in HTTP responses, which could lead to an assertion failure. A malicious HTTP server could use this flaw to crash squid using a specially crafted HTTP response."], "name": "CVE-2016-3948", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "squid34", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2016-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-3948\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-3948\nhttp://www.squid-cache.org/Advisories/SQUID-2016_4.txt"], "statement": "Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. \nFor additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Moderate"}

{}