Unscored severity · published Dec 8, 2011
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…
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CVSS
15.2%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)15.2% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
6.0; 7.0 · source: NVD
DH
Dhcp · Isc
4.0; 4.0.0; 4.0.1; 4.0.1; 4.0.1; 4.0.2; +29 more · source: NVD
UL
Ubuntu Linux · Canonical
11.04; 11.10 · source: NVD