CVE-2009-3826

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:squidguard:squidguard:1.4:*:*:*:*:*:*:*", "matchCriteriaId": "2A13B1EC-6F1F-4A9A-A9AC-65548B3E27B5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a certain buffer size in Squid and (2) a redirect URL that contains information about the originally requested URL."}, {"lang": "es", "value": "M\u00faltiples desbordamiento de b\u00fafer en squidGuard v1.4 permite a atacantes remotos eludir el bloqueo de URL a trav\u00e9s de una URL larga, referido a (1)relaciones entre el tama\u00f1o de cierto b\u00fafer en squidGuard y el tama\u00f1o de cierto b\u00fafer en Squid y (2) una redirecci\u00f3n URL que contiene informaci\u00f3n sobre las petici\u00f3n URL original."}], "id": "CVE-2009-3826", "lastModified": "2026-06-16T23:12:25.667", "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", "userInteractionRequired": false}]}, "published": "2009-10-28T14:30:00.297", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/37107"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/39679"}, {"source": "cve@mitre.org", "url": "http://securitytracker.com/id?1023079"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2010/dsa-2040"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/59164"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/507440/100/0/threaded"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/36800"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091019"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.vupen.com/english/advisories/2009/3013"}, {"source": "cve@mitre.org", "url": "http://www.vupen.com/english/advisories/2010/1043"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53922"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/37107"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/39679"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securitytracker.com/id?1023079"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2010/dsa-2040"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/59164"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/507440/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/36800"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091019"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.vupen.com/english/advisories/2009/3013"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2010/1043"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53922"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "squidGuard: buffer overflow in sgLog.c (CVE-2009-3700) and two URL filter bypass issues (CVE-2009-3826)", "id": "530862", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530862"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a certain buffer size in Squid and (2) a redirect URL that contains information about the originally requested URL."], "name": "CVE-2009-3826", "public_date": "2009-10-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-3826"], "threat_severity": "Moderate"}

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