CVE-2012-3954
Status: ModifiedLow (3.3)—
Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.
CVSS
- Version: 2.0
- Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P
- Base score: 3.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 4.33%
- Percentile among all scored CVEs: 91
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (3)
CWEs
- CWE-399
References
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html
- http://rhn.redhat.com/errata/RHSA-2012-1141.html
- http://security.gentoo.org/glsa/glsa-201301-06.xml
- http://www.debian.org/security/2012/dsa-2516
- http://www.debian.org/security/2012/dsa-2519
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:115
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:116
- http://www.securityfocus.com/bid/54665
- http://www.securitytracker.com/id?1027300
- http://www.ubuntu.com/usn/USN-1519-1
- https://kb.isc.org/article/AA-00737
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html
- http://rhn.redhat.com/errata/RHSA-2012-1141.html
- http://security.gentoo.org/glsa/glsa-201301-06.xml
- http://www.debian.org/security/2012/dsa-2516
- http://www.debian.org/security/2012/dsa-2519
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:115
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:116
- http://www.securityfocus.com/bid/54665
- http://www.securitytracker.com/id?1027300
- http://www.ubuntu.com/usn/USN-1519-1
- https://kb.isc.org/article/AA-00737
Raw JSON (NVD)
Show
{
"id": "CVE-2012-3954",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.3,
"accessVector": "ADJACENT_NETWORK",
"vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.5,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2012-07-25T10:42:35.913",
"references": [
{
"url": "http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://rhn.redhat.com/errata/RHSA-2012-1141.html",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://security.gentoo.org/glsa/glsa-201301-06.xml",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.debian.org/security/2012/dsa-2516",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.debian.org/security/2012/dsa-2519",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:115",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:116",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/bid/54665",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.securitytracker.com/id?1027300",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.ubuntu.com/usn/USN-1519-1",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://kb.isc.org/article/AA-00737",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://rhn.redhat.com/errata/RHSA-2012-1141.html",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://security.gentoo.org/glsa/glsa-201301-06.xml",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.debian.org/security/2012/dsa-2516",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.debian.org/security/2012/dsa-2519",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:115",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:116",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/54665",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id?1027300",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.ubuntu.com/usn/USN-1519-1",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://kb.isc.org/article/AA-00737",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-399"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests."
},
{
"lang": "es",
"value": "Múltiples fugas de memoria en ISC DHCP 4.1.x y 4.2.x anterior a 4.2.4-P1 y 4.1-ESV anterior a 4.1-ESV-R6, permite a atacantes remotos provocar una denegación de servicio (consumo de memoria) mediante el envío de multitud de peticiones."
}
],
"lastModified": "2026-06-16T23:44:07.317",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "78214BCE-9739-40B9-A32E-89C16F7195DC"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.0:a1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "40C764F4-8FAD-477E-92E5-79D234673478"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.0:a2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "36045DDB-48C6-48CA-AAAF-A3487EF7A537"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.0:b1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "ECA81B95-97B7-4A56-A448-6E5DB6FA5F76"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A91F4FD9-1797-4B9C-AFB8-EC6445119DA4"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:b1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4479C934-BF9A-428F-AD22-41C45B70C546"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:b2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "11EE9507-6827-4CFF-B3B4-9DC4DE3E0B1C"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:b3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E6CE1A0F-BE1E-4312-B68F-F09B05929F9C"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "17B6DEFA-0977-474A-9871-B03DEE924ADA"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.2:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "09F19067-DD99-4B26-8125-0801459ED6B0"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.2:b1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9B63D409-60F5-4AB9-A576-8672D42E071E"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.2:p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CA5D825C-B72A-44F5-AF24-4F3200881ABA"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1.2:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9A1C3F3E-CFB2-40F2-89F4-735AAE042F65"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "150D46FA-873E-4E4F-8192-BCA1076994D7"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "56113AB6-8295-4EB7-A003-79049FBB8B4C"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "362DA97E-B940-4649-803F-26D8C1D16DA5"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "950A6BA0-C348-4B89-8C18-F2AFA467649F"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9088D042-F104-4F31-AEBB-75F5A0F03AE5"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F159908A-00E7-4EC8-8342-28182F547C4A"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1C49DF07-9612-43C7-9771-B76487B4A9CD"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5C6D8D55-DCD2-4E70-B3C6-76F2134DA336"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C0F06FC0-6477-4589-B9CB-24B1F893EF09"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6CCA07EB-B0CB-40EE-B62E-DB4C408717B7"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5E91F700-F59A-491F-BA99-53EC79E573D6"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "53551545-041A-456F-BC81-E05A6B3CB198"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0F3DBB40-638E-4A4B-99B4-534D2564E146"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0B921430-F03C-42DB-A362-562136B01445"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FA0C3173-8630-4613-B1D3-711468FC3749"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F104AD27-0AE0-4853-B19C-1D83070A0DEF"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "65689412-A35D-40B9-8671-DE8FF63C3DCC"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F27D0660-2F07-430B-A651-5D0B6AA763C0"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FBAABA4E-0D34-4644-AC26-E272CEE6C361"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A5E2FFC7-6E73-463E-846C-C403E41A2022"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E9D08285-745D-40AB-9A78-F467712CDA5A"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1D115F1F-1A3A-4924-AF10-723B3BB0CBB9"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "79F235F0-AD16-4E5B-AB60-97F0BB86AEB6"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E84D5E5B-0336-4166-AAAC-49375E3AF971"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "09561C97-563C-4DDC-9EE4-E83EFFD467D6"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "519CF0CC-FB12-4C68-88A0-E0E15738C620"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "80EB131E-32E5-458F-8DDA-48835D2D883F"
},
{
"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3120B566-2BB6-4A1F-9ED7-E099E2870919"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "036E8A89-7A16-411F-9D31-676313BB7244"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EF49D26F-142E-468B-87C1-BABEA445255C"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E4174F4F-149E-41A6-BBCC-D01114C05F38"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}