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CVE-2011-2749

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...

7.8 HighFix available

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.

Exploit likelihood

38.8%Up 12.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

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.

Record
CVE-2011-2749
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2011-2749
Updated
2026-11-02
EUVDEUVD-2011-2724 No score

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.

Record
EUVD-2011-2724
Updated
2026-11-03
GitHub AdvisoriesGHSA-r7gx-rv3r-xpf8 No score

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...

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.

Record
GHSA-r7gx-rv3r-xpf8
Weakness
CWE-20
Updated
2026-11-02
OSV No score

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.

Record
CVE-2011-2749
Updated
2026-11-02
OSVDEBIAN-CVE-2011-2749 No score

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.

Record
DEBIAN-CVE-2011-2749
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 4.2.2-1
4.2.2-1
isc-dhcp
Debian:13
 before 4.2.2-1
4.2.2-1
dhcp3
Debian:5.0
From an advisory covering 2 CVEs
 before 3.1.1-6+lenny6, plus listed versions
3.1.1-63.1.1-6+lenny23.1.1-6+lenny33.1.1-6+lenny43.1.1-6+lenny5
3.1.1-6+lenny6
isc-dhcp
Debian:6.0
From an advisory covering 2 CVEs
 before 4.1.1-P1-15+squeeze3, plus listed versions
4.1.1-P1-154.1.1-P1-15+squeeze14.1.1-P1-15+squeeze2
4.1.1-P1-15+squeeze3
dhclient
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhclient
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
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Affected packages
PackageAffectedFixed
dhcp-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhclient
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhclient
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhcp-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 7:3.0.1-68.el4
7:3.0.1-68.el4
dhclient
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhcp
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhcp-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
libdhcp4client
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhcp
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhcp-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhcp-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
libdhcp4client-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhclient
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhcp
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhcp-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhcp-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
libdhcp4client
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
libdhcp4client-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 12:3.0.5-29.el5_7.1
12:3.0.5-29.el5_7.1
dhclient
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 12:4.1.1-19.P1.el6_1.1
12:4.1.1-19.P1.el6_1.1
dhcp
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 12:4.1.1-19.P1.el6_1.1
12:4.1.1-19.P1.el6_1.1
dhcp-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 12:4.1.1-19.P1.el6_1.1
12:4.1.1-19.P1.el6_1.1
dhcp-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 12:4.1.1-19.P1.el6_1.1
12:4.1.1-19.P1.el6_1.1
dhcp
openSUSE:Tumbleweed
From an advisory covering 16 CVEs
 before 4.3.3.P1-3.1
4.3.3.P1-3.1

History

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

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

In short

CVE-2011-2749 is a high vulnerability (CVSS 7.8) in Isc Dhcp, published August 11, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 38.8%, the 98th percentile. Fixed in isc-dhcp 4.2.2-1.

References

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