CVE-2012-6051

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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:google:cityhash:-:*:*:*:*:*:*:*", "matchCriteriaId": "E0CA7867-026D-4CB8-9241-4DE523E642D6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Google CityHash computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack."}, {"lang": "es", "value": "Google CityHash procesa valores hash sin restringir la posibilidad de producir colisiones previsibles, lo que permitir\u00eda a atacantes dependiendo del contexto provocar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de la manipulaci\u00f3n de una entrada a la aplicaci\u00f3n que mantiene la tabla de valores hash, como se demostr\u00f3 por el ataque universal multicolisi\u00f3n.\r\n"}], "id": "CVE-2012-6051", "lastModified": "2026-06-16T23:47:43.713", "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": "2012-11-28T13:03:10.323", "references": [{"source": "cve@mitre.org", "url": "http://2012.appsec-forum.ch/conferences/#c17"}, {"source": "cve@mitre.org", "url": "http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf"}, {"source": "cve@mitre.org", "url": "http://code.google.com/p/cityhash/source/browse/trunk/NEWS"}, {"source": "cve@mitre.org", "url": "https://www.131002.net/data/talks/appsec12_slides.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://2012.appsec-forum.ch/conferences/#c17"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://code.google.com/p/cityhash/source/browse/trunk/NEWS"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.131002.net/data/talks/appsec12_slides.pdf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "xulrunner: Google CityHash hash function collisions (oCERT-2012-001)", "id": "882910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=882910"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["Google CityHash computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack."], "name": "CVE-2012-6051", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xulrunner", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "xulrunner", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2012-11-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-6051\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-6051"], "statement": "Not Vulnerable. This issue does not affect the versions of xulrunner, firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6.", "threat_severity": "Moderate"}

{}