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"descriptions": [{"lang": "en", "value": "The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet."}, {"lang": "es", "value": "El servidor en ISC DHCP v3.x y v4.x anterior a v4.2.2, v3.1-ESV anterior a v3.1-ESV-R3, y v4.1-ESV anterior a v4.1-ESV-R3 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (salida de demonio) a trav\u00e9s de un paquete BOOTP manipulado."}], "id": "CVE-2011-2749", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1160.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/49120"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1190-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/attachment.cgi?id=517665&action=diff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=729382"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://hermes.opensuse.org/messages/11695711"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1160", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "dhcp-7:3.0.1-68.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-08-15T00:00:00Z"}, {"advisory": "RHSA-2011:1160", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "dhcp-12:3.0.5-29.el5_7.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-08-15T00:00:00Z"}, {"advisory": "RHSA-2011:1160", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "dhcp-12:4.1.1-19.P1.el6_1.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-08-15T00:00:00Z"}], "bugzilla": {"description": "dhcp: denial of service flaws", "id": "729382", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=729382"}, "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"}, "details": ["The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet."], "name": "CVE-2011-2749", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:3", "fix_state": "Under investigation", "package_name": "dhcp", "product_name": "Red Hat Enterprise Linux 3"}], "public_date": "2011-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2749\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2749"], "threat_severity": "Moderate"}

{}