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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...

3.3 LowFix available

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.

Exploit likelihood

4.33%Down 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 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.

Record
CVE-2012-3954
CVSS 2.0
3.3 LowAV:A/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2012-3954
Updated
2026-11-02
EUVDEUVD-2012-3898 No score

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.

Record
EUVD-2012-3898
Updated
2026-11-03
GitHub AdvisoriesGHSA-v4rv-fwvg-94r2 No score

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...

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.

Record
GHSA-v4rv-fwvg-94r2
Updated
2026-11-02
OSV No score

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.

Record
CVE-2012-3954
Updated
2026-11-02
OSVDEBIAN-CVE-2012-3954 No score

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.

Record
DEBIAN-CVE-2012-3954
Updated
2026-11-02
OSVopenSUSE-SU-2024:10358-1 No score

dhcp-4.3.3.P1-3.1 on GA media

These are all security issues fixed in the dhcp-4.3.3.P1-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10358-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
isc-dhcp
Debian:12
 before 4.2.4-2
4.2.4-2
isc-dhcp
Debian:13
 before 4.2.4-2
4.2.4-2
isc-dhcp
Debian:6.0
 before 4.1.1-P1-15+squeeze4, plus listed versions
4.1.1-P1-154.1.1-P1-15+squeeze14.1.1-P1-15+squeeze24.1.1-P1-15+squeeze3
4.1.1-P1-15+squeeze4
isc-dhcp
Debian:6.0
 before 4.1.1-P1-15+squeeze5, plus listed versions
4.1.1-P1-154.1.1-P1-15+squeeze14.1.1-P1-15+squeeze24.1.1-P1-15+squeeze34.1.1-P1-15+squeeze4
4.1.1-P1-15+squeeze5
isc-dhcp
Debian:6.0
 before 4.1.1-P1-15+squeeze6, plus listed versions
4.1.1-P1-154.1.1-P1-15+squeeze14.1.1-P1-15+squeeze24.1.1-P1-15+squeeze34.1.1-P1-15+squeeze44.1.1-P1-15+squeeze5
4.1.1-P1-15+squeeze6
dhclient
Red Hat:enterprise_linux:6::client
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp
Red Hat:enterprise_linux:6::client
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-common
Red Hat:enterprise_linux:6::client
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-debuginfo
Red Hat:enterprise_linux:6::client
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-devel
Red Hat:enterprise_linux:6::client
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
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Affected packages
PackageAffectedFixed
dhclient
Red Hat:enterprise_linux:6::computenode
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp
Red Hat:enterprise_linux:6::computenode
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-common
Red Hat:enterprise_linux:6::computenode
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-devel
Red Hat:enterprise_linux:6::computenode
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhclient
Red Hat:enterprise_linux:6::server
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp
Red Hat:enterprise_linux:6::server
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-common
Red Hat:enterprise_linux:6::server
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-debuginfo
Red Hat:enterprise_linux:6::server
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-devel
Red Hat:enterprise_linux:6::server
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhclient
Red Hat:enterprise_linux:6::workstation
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp
Red Hat:enterprise_linux:6::workstation
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-common
Red Hat:enterprise_linux:6::workstation
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp-devel
Red Hat:enterprise_linux:6::workstation
 before 12:4.1.1-31.P1.el6_3.1
12:4.1.1-31.P1.el6_3.1
dhcp
openSUSE:Tumbleweed
 before 4.3.3.P1-3.1
4.3.3.P1-3.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-3954 is a low vulnerability (CVSS 3.3) in Isc Dhcp, published July 25, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.33%, the 91st percentile. Fixed in isc-dhcp 4.2.4-2.

References

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