Vulnerability Database

289,784

Total vulnerabilities in the database

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.

  • Published: Dec 8, 2011
  • Updated: Apr 13, 2023
  • CVE: CVE-2011-4539
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
isc / dhcp 4.0.2-b2 4.0.2-b2.x
isc / dhcp 4.0.2-b3 4.0.2-b3.x
isc / dhcp 4.2.2-rc1 4.2.2-rc1.x
isc / dhcp 4.2.2-b1 4.2.2-b1.x
isc / dhcp 4.1.1-rc1 4.1.1-rc1.x
isc / dhcp 4.2.0-b2 4.2.0-b2.x
isc / dhcp 4.0.2-b1 4.0.2-b1.x
isc / dhcp 4.2.0-a2 4.2.0-a2.x
isc / dhcp 4.0.1-rc1 4.0.1-rc1.x
isc / dhcp 4.2.0-b1 4.2.0-b1.x
isc / dhcp 4.2.1-rc1 4.2.1-rc1.x
isc / dhcp 4.2.0-a1 4.2.0-a1.x
isc / dhcp 4.0.1-b1 4.0.1-b1.x
isc / dhcp 4.0.2-rc1 4.0.2-rc1.x
isc / dhcp 4.0.3-rc1 4.0.3-rc1.x
isc / dhcp 4.0.0 4.0.0.x
isc / dhcp 4.1.1-b3 4.1.1-b3.x
isc / dhcp 4.0.3-b1 4.0.3-b1.x
isc / dhcp 4.2.1-b1 4.2.1-b1.x
isc / dhcp 4.2.0-rc1 4.2.0-rc1.x
isc / dhcp 4.0 4.0.x
isc / dhcp 4.2.0-p1 4.2.0-p1.x
isc / dhcp 4.1.2 4.1.2.x
isc / dhcp 4.0.1 4.0.1.x
isc / dhcp 4.0.2 4.0.2.x
isc / dhcp 4.0.3 4.0.3.x
isc / dhcp 4.2.0 4.2.0.x
isc / dhcp 4.2.1 4.2.1.x
isc / dhcp 4.2.2 4.2.2.x
isc / dhcp 4.2.3 4.2.3.x
isc / dhcp 4.1-esv-r3_b1 4.1-esv-r3_b1.x
isc / dhcp 4.1-esv-r3 4.1-esv-r3.x
isc / dhcp 4.1-esv-r2 4.1-esv-r2.x
isc / dhcp 4.1-esv-r1 4.1-esv-r1.x
isc / dhcp 4.1-esv 4.1-esv.x
canonical / ubuntu_linux 11.04 11.04.x
canonical / ubuntu_linux 11.10 11.10.x
debian / debian_linux 7.0 7.0.x
debian / debian_linux 6.0 6.0.x