Vulnerability Report

CVE-2012-3954

Title: Isc Dhcp Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2012-3954.

CWE Category CWE-399

Published Date Jul 25, 2012

Modified Date Apr 29, 2026

Exploit Status Not Found

Score 3.3 CVSS v2.0

Exploit Probability (EPSS)

4.46%

Vulnerability Summary

CVE-2012-3954: 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.

Impacted Vendors

isc 1

Reference Links

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

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:A/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-3954 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

July 25, 2012 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:A/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.