CVE-2011-4868
EPSS 0.85%
Description
The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets related to a lease-status update.
How to fix CVE-2011-4868
To remediate CVE-2011-4868, upgrade the affected package to a fixed version below.
- Debian/isc-dhcp—upgrade to 4.2.2.dfsg.1-5 or later
Is CVE-2011-4868 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.2.2.dfsg.1-5