| Package | Affected versions | Patched versions |
|---|---|---|
| dhcp | = 4.0= 4.0.0= 4.0.1= 4.0.2= 4.0.3= 4.1-esv= 4.1.1= 4.1.2= 4.2.0= 4.2.1= 4.2.2= 4.2.3 |
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.
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