CVE-2011-2748

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 38.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-08-15 · updated 2026-06-16
Weakness: CWE-20

Description

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 DHCP packet.

Affected products

Canonical Ubuntu Linux: 8.04, 10.04, 10.10, 11.04
Debian Linux: 5.0, 6.0, 7.0
ISC DHCP: 3.0, 3.0.1, 3.0.1-rc1, 3.0.1-rc10, 3.0.1-rc11, 3.0.1-rc12 (+79)

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065176.html
http://lists.opensuse.org/opensuse-updates/2011-09/msg00014.html
http://redmine.pfsense.org/issues/1888
http://secunia.com/advisories/45582
http://secunia.com/advisories/45595
http://secunia.com/advisories/45629
http://secunia.com/advisories/45639
http://secunia.com/advisories/45817
http://secunia.com/advisories/45918
http://secunia.com/advisories/46780
http://security.gentoo.org/glsa/glsa-201301-06.xml

Get alerted when CVE-2011-2748 or the next vulnerability affects your stack