CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2011-4539

dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.343

EPSS Ranking 96.7%

CVSS Severity

CVSS v2 Score 5.0

References

Products affected by CVE-2011-4539

Isc » Dhcp » Version: 4.0

cpe:2.3:a:isc:dhcp:4.0
Isc » Dhcp » Version: 4.0.0

cpe:2.3:a:isc:dhcp:4.0.0
Isc » Dhcp » Version: 4.0.1

cpe:2.3:a:isc:dhcp:4.0.1
Isc » Dhcp » Version: 4.0.2

cpe:2.3:a:isc:dhcp:4.0.2
Isc » Dhcp » Version: 4.0.3

cpe:2.3:a:isc:dhcp:4.0.3
Isc » Dhcp » Version: 4.1-esv

cpe:2.3:a:isc:dhcp:4.1-esv
Isc » Dhcp » Version: 4.1.1

cpe:2.3:a:isc:dhcp:4.1.1
Isc » Dhcp » Version: 4.1.2

cpe:2.3:a:isc:dhcp:4.1.2
Isc » Dhcp » Version: 4.2.0

cpe:2.3:a:isc:dhcp:4.2.0
Isc » Dhcp » Version: 4.2.1

cpe:2.3:a:isc:dhcp:4.2.1
Isc » Dhcp » Version: 4.2.2

cpe:2.3:a:isc:dhcp:4.2.2
Isc » Dhcp » Version: 4.2.3

cpe:2.3:a:isc:dhcp:4.2.3
Canonical » Ubuntu Linux » Version: 11.04

cpe:2.3:o:canonical:ubuntu_linux:11.04
Canonical » Ubuntu Linux » Version: 11.10

cpe:2.3:o:canonical:ubuntu_linux:11.10
Debian » Debian Linux » Version: 6.0

cpe:2.3:o:debian:debian_linux:6.0
Debian » Debian Linux » Version: 7.0

cpe:2.3:o:debian:debian_linux:7.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2011-4539

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